Popular Mechanics 1928: Vol 49 Index

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MWS SEE PAGE 11

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YOUR Hardware Store Has HIS Christmas Gift! EAL men and boys want _ good tools. ATKINS “Silver Steel’? Saws in holiday gift boxes make practical presents for a lifetime of use. The ATKINS name on the blade means added years of service, as well as faster and easier cutting—the best saw you can buy. Ask YOUR hardware dealer about the ATKINS ‘“‘Ready”’ Household Kit, or write for free folder, “Saws in the Home.”’ EC. AlLRine &:(e@). Established 1857 426 S. Illinois St., Indianapolis, Ind. Leading Manufacturers of Highest Grade Saws for Every Use; Saw Tools, Saw Specialties, Plastering Trowels, Machine Knives, Grinding Wheels and Files.

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Popular Mechanics Magazine es a 4 of + aS » oe! a ot “9 | oe . >” hte } An gy a ee » af , : Le i O : > ; INDEX TO VOL. XLIX O 1928 O : Edited by H. H. WINDSOR, Jr. O JANUARY to JUNE, | Inclusive oO Popular Mechanics Company | CHICAGO |

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Index to Volume XLIX A show how to avoid clocks report subway the must dangerous hour 1 used to clear rusty pipes.. ustics hattering of light helps locate building echo se reduced by ventilator fans in vehicle tunnel es bat Berlin, loops the loop on his head hesive gum for false mustaches veM ising strc displays made from paint and tin lIboards hke stage sets give better display my man made of brick ° ral clock helps draw trade to candy store ant lazht uses skyscrapers as billboards ne letters of fire tell latest news ng sign at rear of auto x window display run by Theetor 7 hen for chicken dinners man made ot ' cidents satety ety” telitale traffic, light socket rubber draw helps A” s as posters spread Russian ideas ave of hand starts auto for window display 199 sicker charr ten feet high harcker ae displays by radio to aid 201 sooden man advertises lumber industry 737 Aerial Cable-—carries locomotive across cany Agricultural Implements ins tor dryme@ corn aid farmer w with revolving shares thoroughly stirs “wit “A wen tary pulver rer on plow saves tarm wr st tor the harrow ulture etter potato plante S ftarmers prod sce more than in any other country matic steerinme gear increases safety automobile that flres is also fast motorboat alloons in wing to keep afloat ittleship is turned mto carrier rake on propeller to aid in landings British Schneider cup winners carry ballast lection of models suggests new hobby sulty testing is ome cause of crashes eproot coating for wings fve motored tandem, te carry 299 fying business office aids war secretary ng hospital plane carries loaded auto int air liners equipped with diners heh speed midget nting wild goats from . ale more stable with vane controls torless ships of the air ane rights itself with safety slot st of framework curbed with boiling oi! ea flea” for ocean flight develops high speed eaplane carried on liner for pleasure trips elephones for to fly straight up shaped metal hangars for private owners twenty-four cylinder plane has wing radiators with door in nose to serve as ambulance Airship—with all metal bag to be run by steam Alaska—new lake and volcano found in wilds Altimeter—registers slight changes Aluminum cleaning on converted into jewels etching on how to mend with zinc Ambergis— wealth from Ambulance flying - wes motorcycle, to aid fire victims Amusement Park airplane coaster gives many thrills poy riders drive own cars on twister slide down bamboo dragon gives thrills there's money mm it, but Animals ant bear is ship's pet harless zoo has electrically heated rocks circus elephant moved im chains to prevent escape p 718 intelligence of 59) urge beaver culture for fur and to curh floods 545 Ant Bear is ship's pet ; 289 Ants effective exterminator 6 Appples tor display have stenciled peeler and corer for, Aquarium better designs spee Is pre making lighting to improve display top for used as rural church Arbor chain prevents slip; Archaeology digging up the bible lar dow model« centurtes old md wm Palestine unveillng the mysteries Architecture artist ck church om torm pagan magn ie f,erman skill Idings show t hie tower church shaped lke organ home, sweet home of the future latest style m (Cern an theater symbolic carvings for national cathedral transtorming unsightly bills into home sites weird, helps sell ice cream Argon 1% mystery substance i sun Army, Japanese drilled use Army. U portable rubyb latest er twat for ad gu : time and work Army Maneuvers -bianketing the sky with a cur tain of death winch t Art early American primitive inspired by mag muxiels in glass pictures chiseled in Artists shows” give glimpse of lives Artist's Supplies homemade academy beard Ashes eliminating sitter Astrology 40 the stars rule our destiny’ bras« latest fad pees Astronomy 4') years Ir aw map of the stars huge observatory built to be taken apart study av y adjustable chart of stars three bill s pictured with laree scopes where time begins Automobile Bus front and rear exit to speed service ticket machine eases conductor's task twin motors give high speed washed and brushed m two minutes Automobiles “hackboned” chassis reduces body strains block and cord for parking on hills hookstore home on wheels has many comforts 617 bracket holds outboard motor on 1929 car turns in own length 21 doubled decked railway car speeds shipments 817 double wheels conquer soft dirt 158 driven into store to save parking S¢ eliminating alcohol odors 152 everything from radio to camera ad 181 flower ship on wheels R74 foot power replaces motor in tiny Paris car 471 gasket tape saves time and work ; 913 gearless car run on turbine principle . 63 greenhouse on wheels delivers plants 985 home and store on wheels aids candy dealer 368 home on wheels is armored « 469

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Automobiles continued hike observation car have rear entrance locking Ford windows luxurious road yacht provides comforts number in Maryland number that crashed into trains old mner tube as water pail for motorist old, used for harvesting ice packing for Ford window glass platform for washing top of car radiator brace for removable head piston simplifies changing rings rubber disk replaces spring springs as long as the car add riding comfort striping made easy with pencil painter that flies also serves as fast motorboat wreck car has platform to carry autos wrecking car has motor driven hoist Automobile— Accessories air inflated bumper to decrease damage angular steering wheel releves fatigue back rest saves driver's clothing baggage carriers hke car body ball-bearing shackles eliminate squeaks bed on running board simpliles camping bumpless seats can be folded carrier locks luggage and fits any car clamp to hold logbook fits on dashboard compressed air jack creeper from floorboard dial that indicates car performance disappearing bed adds comfort to tours folding luggage trunk serves as trailer four wheel jack system controlled from dash gasoline meter helps save fuel grease extractor prolongs car's life hat holder for sedan heated windshield wiper heater for Ford sedan heater keeps motor warm in cold garage holder for skid chains homemade cigar and pipe’ lighter keyless dash lock has luminous dial “kitchen” for the tourist heense plate snap fastener eliminates bolts lights on bumper for safe driving lock holds car if brakes fail map like roller shade takes little room mirror in door visor aids parking mirror inside car is travel convenience sand boxes increase safety seli-lighter for dash has no extension cord shock absorber keeps wheels on ground sunshine hood for car tops trunk has suitcases that serve as drawers windmill light flashes color effects Automobile—Cleaning polished by electric drill with shining unit speeded by hot spray generator Automobiles— Driving hall im tube tests brakes “game"™ tests skill glare shade for mirror aids safer human heads warn speeders to obey laws - license candidates’ skill tested by game limitless speed highway in Italy natural gas for starting new malady caused by “no parking” sign is flexible overhead straps warn of crossings prism helps driver see signals visor glasses relieve eye strain Automobiles—Equipment and Supplies accelerator run by knee.. os battery filler keeps water at right level folding top increases comfort glare shade for mirror aids safer driving heater gives fresh air from motor fan metal trough holds curtains protector stops motor when oil fails snowshoes for the car speedometer that keeps record Automobiles— F uel floating siphon insures clean gasoline fuel to cut gas peril is sought.. gauge and clean-out system testing exhaust gas helps save operated hy turn of wrist traffic pipe for gravity gas POPULAR MECHANICS INDEX, VOLUME XLIX $73 151 249 $77 $99 149 sn4 163 620 686 1&5 911 S4 RI 905 8] R66 2s ono —a ew > eNNw 945 976 449 99 457 648 332 691 333 599 332 633 858 409 Automobdiles—Lighting light shines around curves 10 Automobiles— Parking in spiral skyscraper 27a Automobiles— Repairing aluminum paint for rims 1935 brake drums refaced while still on car 792 coil spring on Ford brake lever 127 correcting a binding door latch 129 covering ignitton wires 19S] determining if armature shaft is bent 1955 Ford hood roll edges 130 frame straightener cuts cost 64] grinder for valve seat 642 improvised long handled jack 49) lamp for locating short circuits 141 on gasoline tank clamp 119 portable tripod jack affords high lift 626 remedy for squeaky brakes 1038 removing roller bearings on Fords Sit restoring contact of third generator brush 175 rollers to won out fenders ale rubber bands prevent hood rattle 479 rumble m a closed car 178 to refinish tops R79 Automobiles—Tires air-service station eliminates gauge 74 automatic Pumping unit mamntams pressure 74 burning ‘em up gts how to care tor halloon $2 hte of racing, les« than four minute« aR paper used as flap 4% pinch tells pressure without touching valve 4} pressure equalizer helps reduce wear 2697 rubber bulb in valve tester shows if air leaks a saved by hard roads 199 signal warns of punctured é17 vulcanizing imner tubes 17 Automobiles— Touring all comforts of home in camp Rif collapsible tent pole 1928 Automobiles—Wheels quick changing reduce tire wear 1a Automobile Truck replaces turntable motor 491 rollers on front to prevent accidents 768 that piles wood saves hand laber 4 tilting service, helps bring mm wrecks 941 Aviation airplane made more stable with vane controls ‘54 airplane picks up packages shot from cannon 24° America spreads its wings 2 armless flyer plans trip to Paris 973 halloon to soar nine miles for aerial research 767 battling for hie im a blue black «ky 177 brake on airplane propeller to aid in landings ‘$8 Byrd to face many perils on South sea trig R94 compass and belt latch add to air safety RIF drydock for flying boats ase dummy flyers help make air safe 194 England-Australia air line to have huge chips 9% flexible cable landing light prevents damaging plane 44 flying boat links Hamburg to London — “fortune teller” for airmen reveals flying fitness aOF French trans Atlantic air martyrs to be honored 91% fue! gas for motors to make flying safer 4% huntene whales from the air 272 life raft inflated by gas as parachute drops RA life saving suit has paddles 748 mail dropped from plane for forest patrol as man made wings change world’s face 235 movies of birds and insects each flying sectets . ea 5 mystery of missing planes solved? 149 new aid for navigation 287 prizes for safer planes to stimulate Aying 636 probe mystery of upper air in big balloon 609 radio beacon to guide plane climinates head phones ROA reindeer herded by airplane 792 safety promises great future for flying 799 salt in motor's valves aids Lindy's success 648 school holds classes in clouds 2R4 scientists study “air bumps” to aid aviators 753 sleeper in huge zeppelin to hold twenty 42" sound of plane lights lamps on landing field 412 square parachute tested for naval aircraft 954 “tank of the air’ for night bombing raids 426 to be helped by fast movies of air currents ws Se Se

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rwrN Sw al tl ee ee | POPULAR MECHANICS INDEX, VOLUME XLIX “* ted to protect goods 88 —ad to sun : Ase, quickly made from steel billets . 217 pbitt—handle rest for ladle. ee ae ae Carriage —won't tip over while crossing Baby Chair-—non- Balcony--is cheap substitute for porch of small Ballet—training for Balloon : : toy, protects fisherman's watch and cigarets used for investigating mystery of the upper air Balloon Ascent—<death of Capt. Gray =A Banana other names for Banjo long bodied produces sweeter tones three in-one played like ukulele nk ™ paper money counter saves time and loss vault door of pure copper defies torch Baseball : Babe Ruth's homerun secrets coun-in-the-slot game tests player's skill Basement ; draining with siphon - moisture proof coating for walls Basket Ball without lacing. . Bath, Shower for the farm Batteries wt filler cup prevents spilling water increasing voltage of rundown dry practical method of hanging dry cells storage, pocket tester saves time Bears hunting with camera. . ea Beaver—urge culture for fur and to curb floods Bed army cots make attractive — for mvalids folds into a chair Bees face protector for keepers made busier by lights - 431 snow packs for és 336 largest silver, for British warship — how to connect ends ... 868 Belting softening hard leather + 170 Bibcock—-homemade facing tool for seat -». 1042 Bicycle that climbs poles also serves as boat 911 with auto sterring wheel _- 156 Biology, Marine--Monaco, home of the ocean's story w — Birds big increase in U. S. canary umports canaries that sing jazz gain in popularity. . im zoo, benefited by artificial daylight making a concrete bath for migrating, smokestack kept dark to save rare African finch that talks oe tome spent in nest told by electricity ae Bitumen—under Great Salt Lake yields rubber material - Blackboard of glass to save eyestrain Blood photograph of circulation = Blotters-—black, for banks, to defeat forgeries Blowtorch safety valve prevents explosions useful homemade - od Boathook—improved, aiso holds mops Boats and Boating automobile that flies serves as fast motorboat driven by torpedo like tubes fish tail on boat promises greater » hand propelled water sled gives how to recanvas a canoe a4 improved hook puts line in ring moving motorboat to dock painting boat bottoms _ retarding outboard-motor speed rolling boat latest in motor craft rowboat operated by bicycle rowing drill in one-man tank gives ul exercise decorated with buttons “mysteries studied at special institute “gray finish for polis am proving cleaner and shaper saves time and work hatchet for chopping mortar from old.. accurately constructed Japanese bascule, is engineeri feat sf 461 New York. Vermont wtens motor route 956 new $30,000,000 for New York es $7 oom detachable head on nis $44 mner tube band protects furniture ox, Or prolonging life of i 140 rubber protects varnished surfaces - 1028 Brush, street —portable rotor ca 608 Bucket -non overflow - $27 Building Construction calculating studs, rafters and joists required in a wall oe ae 1050 hoisting sling for wheelbarrows 1051 low cost parquetry floor casily laid - 04 pronged band to jambs climinates nail holes 977 setting cathedral arches tests engineers skill 218 vibration stopped with 215 Building Material_-exceisior blocks for homes.. Bullet--long range, designed with electric spark Burglar Alarm automatic gun replaces bell cashier traps bank bandit by raising hands.. 982 for shop window $22 Bushing removing - ‘ 878 Butcher—.motor bone saw saves time and work for = : Butterflies—-wings tell story of waning ice age Buttons—as spark gaps.. Cc Cable automatic oiler prolongs life of vs 401 twisting small wire 334 Cactus Apples—raised for jelly and candy 46 Cafe—in torm of large shoe recalls nursery rhyme 103 Calculating Machine--solves problems too deep tor in Calipers—for close quarters Camera fitted with cable shutter relea in handbag she all comforts of home in auto tourists's camp auto “kitchen” for the tourist bed on auto runn board simplifies .. cot made comforta with rubber straps gas supply generated by blowing on chemical 623 how to fold a tent lehanded 1034 how to waterproof matc 1038 improving canvas bed he. ot 1038 kit of paper soap and towels is travel aid 944 mattress of rubber tubes is casily carried 905 self-closing mosquito neting for tent doorways 846 big increase in U. S. imports 914 that sing jazz gain in

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6 POPULAR MECHANICS INDEX, VOLUME XLIX ol ol suits teense 841 used for waterproofing 1027 Carbon Tetrachloride—to remove grease om goggles .......-. ec eeceune --1042 Playing automatic bridge scorer eliminates figuring... 807 for the blind bave raised figures... a3 Carnation—that changes hue gains beauty in ee ere ee otan 7346 Carnival— Right this way gentlemen a 451 Casters—testing rack for hand-truck $42 sal-ammoniac stops leaks... . 1049 treatment for milling machine oyu Cathedral setting arches tests engineer's skill. . 218 symbolic carvings for national ... 394 hoof-and-mouth serum helps save oitinn ake horns grown in laboratory tests 922 milk sheds towed to cows to keep herd in —_ 432 Cellar—guard for the trapdoor. . 1042 — Block—that works both ways 693 Chain Sling—seli-tightening 1054 Chamois Skin-——how to clean ai 679 Checkers “four-in-row” game 28 ——— 401 played with poles outdoors ..... eas eee “cosmetics” for . oe ee 793 hundreds of kinds made in France 239 Chemist—guarded from explosions by glass shield 559 Children a studied with electric register ‘ 747 fair for, in hotel 532 Fraining —-emotions studied with lectric o- 4 a. A bells for chapel. es Chimney—insuring proper draft.. ‘i ye Chintz—washing without loss of loss ... 678 Chips—keep out of running parts of machine. 698 Church ancient, built without nails......... ey asinine rural, from old ice! i te cp none ee shaped like stadium...... i 192 to split landslides protects village. 802 Cigar Dispenser—coin.in-slot vender {oils cheating 583 Cigarets and matches distributed by slot machine ... 415 self lighting 9 Cigars—pictures from bands form unique ony 987 Circles—scribing with a rule $19 Ss flea aOR y: 227 Cistern—pumping clean water from ne . 873 gilt frames . ie wae wee 493 gtavy spots from linen... oo one mixture for hands SE OE Se PR white kid gloves...... 2 @ Hue 493 electric, turns on radio, electric stove or iron 721 floral, helps draw trade at candy store 87 eS er : 156 huge, tells exact time on split seconds 758 mantel, made from old m 1039 novel way to oil .. 334 operated by temperature changes 777 i hand at a distance . 679 : in"high building ~ because of stops sway 103 Cleck, Alarm—electric unit needs no winding 732 Clothes See Sepa os cnt ee Clothes Hanger—moth-proof .......... oo Ue Clothesline detachable reel... 6.66 ee one ° 140 to prevent blowing against trees es 502 Clothespin—as insulating pliers for testing spark SD ‘iideewses veda amhies Sn atan btn’ 1041 Ceddling Meth —wanps raised to Aight - Coke—how to burn in stove or furnace oS Ome —protects hands while doing a. bode cecias ie ssetechee Ae Coltere—Saiieia. ‘sack meecoal ee ee Colors how your eyes fool you pbwenté ; 803 number of distinguishable. . 929 Commuter” ta statue will contain shrine 241 ——tool for cleaning . oa 164 aay produce lasting staining of 218 free-hand sculpture in reinforced -+ 622 made ~_ 7 with shale 114 surfacing tool for, saves hand ‘labor 778 Cooking—a steak in thirty seconds. 183 —concealed in cabinet which reduces edors ; 114 device for kitchen air 1019 to prevent hot dish slipping on ice 861 —from gold . : 576 Copper Pipe—aids in 1 coiling wire. 172 Corks cuttings and drilling ORR expanding fit different size bottles .. 414 making equivalent to glass anager 160 Corn--tans for drying aid tarmer 594 Corncobs— make incense oe 386 Cots army, become attractive twin beds 687 camp, made comfortable with rubber straps 1029 Cotton—-rival seen in ancient plant 25 Cottonseed—many uses boost crop’s value 953 Crane——traveling wood, lifts heavy trusses 813 Crankcases—machine for lapping 162 Crime cashier traps bank bandit by raising hands 982 catch crooks by telephone 974 invisible eye is latest terror to crooks 458 rogues gallery of movies to help catch crooks 58 true stories of the manhunters 418, 595, 770 Crucible—improved electric “3 170 Crutch—substitute for 318 Currency—-American gold sent abroad .. 408 D Dahlias—new scheme for stakes , .. 860 Dam—$2,000,000 at San Fernando Valley Sd 47 Dance Hall—like monoplane is resort novelty 79 on roulette floor win prizes for couples 720 training for the ballet $47 mirrors help children learn to talk 79 pictures of voice help children learn speech _ 273 Decoration, Interior—-the latest in furniture 387 Delivery, Milk—motor unit ior wagons cuts cost 365 Diamonds—digging {or 250 Die Holder —extension ie 1050 Dirt Chute—for the kitchen 1020 Disease camera shows how eyes reveal 63 menace of fly's footprints soventad by micro- scope 109 treated by ether waves. 618 weird image health guards abandoned in Korea 120 Grinder—catches dust and pretmetes seal 999 Diver—gas mask efficient as helmet for 7 Dividers—stretching the point $12 bling with death at bottom 762 i at seas a 2 cter-drtven bell for deep-sea movies BRO suit carries its own air supply .. 422 stud Se co Nip eveld alam Gaapes 930 -slipping ‘ 679 Dogs f ancient models found in Palestine - 935 rubber boots for, keep mud out of house .. 735 thrilling races of the north 212 Dell House—miniature castle aa a > 17 Dolis—make attractive hat pegs.. tir Ge how to repair with bolts ~ 868 band to hold jambs climinates nail . 977 silencer for sick room...................... 151

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POPULAR MECHANICS INDEX, VOLUME XLIX i to keep clean .... ' ; Doughauts—cooked at table in electric mold -. sitemen’s ' ” adjustable wing board device for cutting —_— Cleaner —making ram ae inetrumente gravity guile motes accuracy s ** parely and quickly rule pro- Drawings how to keep clean. ae protected trom being sotled Dressing Roome—on wheels serve movie stars Drilling chilled on & iron. improved epth gauge vertical holes without drill press. Drills rest for grinding .aiety guard for friction Drum —easily played without sticks Dumb-Waiter—how to build... -™ Dynamite-—stored in big tree is well protected Dynamoe—tested by radio to reveal hidden detects Earmuffs—on felt helmet partly hidden by hat Earth —rate of rotation changes Larthquakes avestigntlen to protect Mississippi valley n the trail of the quake ‘ several every ow at sleeping thousands a Eave Trough cembleation ‘hanger Education—modern lie brings new lessons to the schools Educational Methods magic help teachers Egg Timer--sandglass, rings “bell when done Electric Coil—reversing cot points aids spark Electric or—giant “hoop” for, is marvel of welding Electric Iron sal ety button reduces fire peril haws frozen pi hens heat, helps save ‘current E a wking with high frequency electrical ™ " obeys voice on phone trom the air n air too feeble for practical power 40,000 volts carried 400 miles Electric Lights Alladin’s lamp” anniversary recalls romance of arc light. . better and cheaper show progress better switch plates id light from rare gases rivals the sun jlored, create darkness in new stage effect flat extension cord fits under rugs. . wiant, uses skyscrapers as billboards nstalled inside cupboard, have automatic con trol .. , moving letters tell latest news plug m celling socket aids in cleaning lamps simeld for plugs prevents frayed wires Electric Lights, Street ornate lamps to give strong light tent pitched on pole protects pedestrians unusual, used for covered sidewalks Electric Power trom the ai . halt willion ~~ insulator shows progress. load fluctuations shown by solid model Electric —_— conduit imbedded in concrete volcano. . lanterns on desk Elephant moved in chains to prevent escape studded robes | | ! |E -lectroplating—to make transparent metal i ' le Emery-Cloth—doubling length of strips royal Indian wears gem | Emotions —of children a register |Ragine—toree” oil and water. with electric . 1028 94 44 878 667 $83 337 161 $83 . 169 $22 163 337 -1053 778 171 713 615 the world <a curbed by mineral dust sprayer .. Exposition —‘‘I berian American” in historic Sevi'le Expression, facial—character secret in mouth, not eyes ; ; ‘

Eyes 40,000 glass used in U. S. yearly how they fool ; F Pair——taxicabs and camels meet at oriental Peed Box removable Fertilizer continuous, for the garden leather dust used in making Filling Station guard for gas tank pipe.. novel seat for rain cap for the gasoline hose Pilter, Water—seli cleaning tor the home Finger Nails—kept clean with rubber tips Fingerprints duplicated with machine Fire Alarm-——weight drops ior fire call Firearms atorazer used for oiling Pire Engine—tractor fitted as, Pire Extinguisher Fire Fighting battling three year peat fire in snowshoes firemen’s schoul helps reduce losses foam blanket smothers fire in oi] tank gasoline and electricity replace glory of horse gasoline “gun” forests spray nozzle on hose to reduce damage Fireplace—how to remedy smoking.. Fire Prevention—in the home shows good house keeping Pires —caused by floods Fire Screen serves also as table Fires, “e gasolme “gun” tor ‘backfires helps lor torest service control button saves liquid fire for backfire helps protect Pires, mN. . LEE breathing rocks keep burning 7 Fireworks can be on dimner table suit of, produces novel display Fish and Fishing automatic indicator for set lines on the ice beaded hook attracts — big game fish from small boats codfish devour clams dried on ship's rigging to save extra handling 7 fertilizing fish farms fighting monsters of fishermen’s paradise from tropics travel m luxury to zoo goldfish killed by too much kindness hook improved to hold insect bait how do you fish? leather trom the sea liquid pearl, from scales paralyzed by lightening protectors for watch and cigarets. of fisherman stickleback fans its young to supply oxygen. urge wrecking of old ships to improve fishing war waged on pirates to protect salmon Flashlight —for signaling Fleasthe flea circus “set off” caging behind steel and concrete cause fires low-cost parquetry, casily laid maple, beauty shown by stain parquet, rolls up like carpet Flower —photographing life unit of Flower Pot-—-unbreakabic, lets roots breathe Flowers boxes of, om light standards auned by ex- tension pole . buttonhole, kept fresh in Ag vase carnation that changes hue

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8 POPULAR MECHANICS INDEX, VOLUME XLIX Flowers —continued Glasses—visor, for autoists, relieve eye strain .. cut im sheet metal rival natural blooms ~-. 616 Gloves how to clean white kid 493 electric heat used to speed opening .. $52 Giue—sealing bottles with sa four-inch pansy blossoms $8 Goats—hunting wild from airplanc.. 435 orchids grown under glass _ 49 les shop on wheels . 74 electric fan helps sell $21 “sick,” revived by artificial sunlight 89 two-color, glass, help in facing lights 749 Flute—played hke trombone gives wider range 927 Gold Fog—London nights at noonday during heavy 21 giant nugget kept by bank as reserve 18 Food Dispenser—vending machine to sell pie, guardians of the ghost camps. - sandwiches and candy.. 618 that turns black found in Australia . 63 Football stopwatch to end disputes ; 115 turned into copper $76 Forests fish our last virgin wilderness 619 killed by too much kindness 928 traces of vanished, dug up in Oregon 216 stone ‘sponge’ ior bow! saves changing water 721 Forgery Gold Minin; true stories of the manhunters ‘ o 418 eight.cent digger ecarns millions ee ultraviolet rays reveal forged check 988 the world’s deepest mine 467 Foundry—spray gun for dusting molds aids pro cesses 1000 ball holder fits in bag 210 Fruit Jars—better labels for 1021 ball holder on outside of bag 601 Furnace broken tile as hazards test players’ skill 289 an automatic boiler man .. 509 clock to keep scores 464 Garburetor for, helps save coal .. 609 course, “fiddle” grass seed sower helps keeper 4 controlling dampers 6660 folding legs on bag 734 dustiess ash pit helps save coal ee 409 is hard work 141 easy way to fill water pan 163 mountain as tee permits long drive 164 fitted with fan affords better heat and venti played at night with lummous balls 296 lation ae , 416 ring big bell when green is clear "4 lighting with gas. 328 set for small lawn saves digging holes $73 ou-burning, quickly lighted without smoke 318 tee has arrow guides to aid stance 944 tongs for removing clinkers in 14 tennis net as bunker improves game 264 vacuum cleaner for, saves coal and dirt : 358 Gophers—how to poison... $05 Furniture Grand Opera is heavier in summer 114 ancient art of wig making adds to lure 76 the latest : aa 387 broadcasting helped by mixing panel the toy cardboard, child can build 120 42 story home for Chicago $91 vault saves handling in storage om 242 voice tester shows singer's suitalulity for stage 399 Furs—cleaner restores sheen ve 448 Grapes canning industry aided by stem remover ag G aml trom seed waste used in making pamt Slo Graphite Gambling—right this way gentlemen as 451 ~ ed yr bin emaiten sieens 395 _. coin-in-the-slot baseball, test players’ skill 905 Grass—collected by Atrncan hanteve « tS. farms aoe burning crankcase oil in stove 526 Grass one Sddic” that sows helps goll-course . age 7. _— 7 ~ a an a. Gravy ientp—emnaninn on tino 532 Se ee ee ee owe Grease Cup—when the cap is lost $51 Garage—Accessories Goasnhe: tent jel : air service station for auto eliminates gauge 74 G == 2 tor denvering plants 985 4 unnery—record, breaking the world's 6« Fn oT dace — Gune—tigse guard or shotguns § prevents pe olen hot po to speed doping 9309 gy ne fingers ld 9 small crane 173 y ires—clamp to ho 229 tilting auto-service truck helps " ‘bring m wrecks .. 961 tongs for removing auto ‘motor 519 wrecking car has motor-driven hoist 866 Gardening H continuous fertilizer for the garden 161 growing long and tender stalks of rhubarb 847 new scheme for dahlia stakes as 860 Hair—machine tests strength before and ajfter Gas marcelling 79) for lighting furnace 328 «©6©Hair Dressing—helmet oye dry hair without generated for campers by ‘blowing on chemical 623 mussing wave ; 560 to be made at coal mines and piped to cities 79 Harrow—seat for + 876 Gases —have feeble magnetic properties rea 247 Harrow Disks—tractor used to sharpen be 338 Gas Jets—metal guard keeps children from 8438 Hat Pegs—attractive, made from dolls sad 333 Gaskets —renovating copper asbestos 173 Hay—baled, dolly for handling 169 Gas Light—first a curiosity ple paid to see 623 Hay Pever—victims aided by pollen collectors .. 65 Gas Mask —cthcient as divers belenet ve 7 Health—menaced by dark houses. 617 Gas, Natural Health Resort—bathing sling for invalids aids ia causes mystery explosions in the carth 922 . treatment 179 runs engines in Australian town.. 975 Hearing——tester of children’s - ee 38 Gasoline—guard for tank filling pipe $23 Heater, Gas —electrifying $0) Gasoline Hose—raincap for .. 1027 Heater, Water—instant, helps save gas. $59 Gasoline Noezie—has valve to prevent Sieot 423 Heating—‘‘clectric sun” in ceiling reduces cost.. 60% Gasoline emma to be High Chair—to prevent baby falling from 678 soldering -.. 1048 Highway Gauge ancient Roman were 11 to !5 feet wide 94 detects of brick by finger pressure 295 elevated, to cost 60 million 955 electrical heig 702 runs through huge ancient cedar stump 472 practical improvised ‘surface ~ History—carly, recalied by floodlight om old land- that aids in “eight squaring” timbers . . 693 mark 422 prints tell a ancient life in Grand Hogs—tunnel for the slop trough asa Canyon .., 988 Homesteads—the race for free land 413 ound in copper smelter dump 732 Horn—combined with violin per 713 Horse Racing broken, onteest by Chinese 415 great machine rules betting at French ~~ Egyptians made best of ancient craitsmen... 999 stalls for starting horses insure better ico oe

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POPULAR MECHANICS INDEX, VOLUME XLIX “eo oy ee ee - Hotel land for children in ane Atiantie “flying” nearing completion aluminum P peg nm = ~— eed compastnent or omatic ee breiies fer tap ef candle shaped electric bulbs .. china bread yy ~ 5 38 cloth damp ironing broils both sides at board combinatios rashes -_ rimser for ousting dishes . convement, adjustable window shelf for fame cover for f furniture double aluminum requires no water double electric outlet for table appliances ye racks for electric range of aluminum cooks whole meal at once electric reirigerator cabinet with dome hight clectric stove cooks meal and heats water flat top aluminum teakettle for warming flexible tubing and clamp hold baby's floating holder for soup folding clothes rack tolding drier for radiator ‘ork with knifelike tines garbage bag = hog hairbrush with detachable bristles huller for peas and beans wmitation log fire set knife and meat saw combined leak proof cap for milk bottle iting rack for aluminum roaster loop of candle holders for table decoration memorandum roll for the wall .. metal guard protects walls when washing or pamting : metal hamper to hold laundry bag paper chest treated to keep out imsects.. portable electric washing unit rack to hold pan covers raped electric heater for water Sa rotary cutter for vegetables or meat rotary fruit and vegetable press rubber mat for housewife rubber scraper saves plates sanitary double ay J bag as’ ° scaler and tail clamp for preparing sel toming electric egg cooker serving pitcher hides condensed malk can siding broiler drawer for gas stove. ° spoolrack for workbasket spring stopper for bottles steel wool pad to clean pans step allows childreh to reach washbow! Strainer can be removed from frame strainer lid for pan... : string bean cutter for canning table and fire screen im one save house space triple towel holder saves space uthty cart for housewives vacuum cleaner can be used for drying hair variable heat control cereeed plug wall rack for neckties ° “ washable, ventilated mesh ‘mundry bag washable wallpaper is casily removed waterproof hat cover can be carried in hand wire teal for reconditioning (urs es air of smoke for opening a hes 176, 382. $28, 704, 880, evaporation speeded by wicks without motor saves electric current Hunger—causes of Hydroglider—steered by motors, to cross Atlantic .. . 74 + 08 $33 a . 815 ao 8i¢ or teas 463 815 638 462 111 990 639 ll! 615 287 489 110 287 ai4 287 462 462 462 814 639 "1056 -. 886 . 799 456 96 “Lady Edison” has 43 patents cast, drilling chilled - effective bronzing of cast. . wax models for wrought iron decoration Board cloth clamp for spring hooks hold cloth tightly J ack—handy, homemade eweils a bn made from alumanum rival natural stones precious stones that aid aided Columbus valued at ones million y tricks K Kettle—clectric water, has whistle overheating Keys—board ior missing aids ‘ theater patrons Keyways—tool for laying out.. Kitchen—filing cabinet aids in Kite—shaped like monoplane Knife meat, combined with saw pen and il im handle Kaurling—a tion of oil L Label Moistener—-of rubber, cannot be broken Labor human dredges cheaper than machinery in Sumatra workers produce more Reeund despite shorter hours to prevent guard for stationary safe, folding saiety, folds fiat Lamp, Gasoline—cleaning — Posts ——broken by autos cost city thousands Shade—making spattered paper poe A mee by church to protect village. . origin of common phrases study aided by voice recorder Latches—for outside cellar doors spraying speeds work wire, cutting for gables

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10 POPULAR MECHANICS INDEX, VOLUME XLIXx Lathe driving finished work without dogs fitting, to do job that requires larger swing Latticework gauge for measurnng Laundry —uses steel boxes to collect packages Laundry Tubs——repairing broken Lawns protecting Lead .-drilling holes in Leather ‘rom the sea Level—sim@ie rg checks accuracy Life yidest living things Photographing secret t Life Preserverfits im pocket and inflates self Life Saving coast guard sets new record guards have cabin equipped with radio pistol shoots lime to wrecked ship suit has pockets for food and water suits tor “sub” crews to aid im rescues Life Span—increased 38 years Light invisible used at garden fete ; photoelectrnc ceil to gauge at North Pole Lighting Plant—priming the engine Lightning paralyzes fish rubber conductors guard dynamite Lightship—with vertical beam tom guard = river mou _ Linoleum— fireproof Lions——loosed in public square thrill children Liquids—pouring two from a single spout Loading and Unloading chute for parceis unloading logs trom trailer chain, resists tampering one for six doors sash, to use as bolt without key for door toils burglars Leck, Canal—Dutch is larger than Panama's Locomotive battery oil-electric, to speed switching pulverized-coal, saves labor raising the iron horse trom a colt sixty-five years Of progress in steam and gas combined to drive the iron horse snorts defiance turned into auto to haul logs Logging improved hook easily connected labor and teams superseded by machinery m locomotive turned into auto to haul logs unioading logs trom trailer as uniforms in novel parade metal cone fecilitates hauling Lubrication ; grease nipples for large grease cups save the drops Lumber dumped without breakage by auto trailer skylining our Lunch Car—moved on giant casters Machines—modern, that replace human hands and brains Machining—-cold rolled stee! Magic——unveiling the mysteries of pagan Magnetic Pencil—for doctor, removes bits of metal Magnetism——-increases vitality and stimulates plant and animal life ; Magnets—-hollow, found stronger ‘than solid —~ ee i Glass—aids threading needies Mail—crewless trains speed in London tunnel Mail, Air dropped from plane for forest patrol... ae box sings and talks to advertise ‘ail Delivery—steam shovel speeds over mountain road Mendetin- -finger grip on pick .. Map and Globe Making magic draftsman traces direct from photo- pees face starting point on Kansas farm Mat rubber, helps prevene housewile'« tatsque 4; to save toot ache when iwonmng 15 Matches how to waterproof 193* sate container ior Cy) substitutes for 7 Match Striker made trom shippmy tag 1M Mattress of rubber tubes is casily arned - Measuring Cup— adjustabie 102 Measuring Tape—with anchor pin attached i4 Measuring Unit light waves to displace platinum and iridium har 42 Memorial.-abicet at Berea « lege pays homer to mule by vulcanizing te sluiing shelves for, save store space 4 Messenger Boys auled by lighted badges tor caps Mice are they smarter than men Milk air vents im can top prevent sourmg Sait a8 A pProlucer Mimeograph -how to make a practical Minerals modern divinng rod helps explore ecarth's niches — wider your teet ray “fingerprints” of rocks to aid ndustry 9+ Mines and Mining man made dust explosions au! safety pled tot gold pan replaced by centrifugal sep arator the world’s deepest mime Mirages, Palace of produces strange illusions Mirrors ampers shaving nheip deat chikiren learn t tax help pedestrians keep seat Modeis architectural, made from soap lection of airplane suggests new -hobby Flying Cloud 145, 319, 494, 671, $49, railway for traimmen aid im tramuing volcano 1 feature of exhibit Molding how to “return” to nail lhght Molds—spray gun for dusting, aids foundry pro cesses Money air driers speed output of bars of iron as Monorail Line run erhead to escape snowdrift Mop renovating floor Mosquitoes-—<warms of Arctic torment explorers Moths chemical in clothes hanger helps prevent Motor, Outboard bracket hokis on aut tetachabie handles a het water trom Motorcyclepole mding latest outdoor sport Mountain Climbing —club builds taepath m wilder ness Moving Pictures color attachment rests eyes Eayots mummy fluid used for films tolding home movie screen quickly set up gonila man adds touch of realiam motor driven diving bell tor deep sea movie camera and projector take pictures on paper movies of birds and imsects teach flying secrets of air currents to help aviation rogues’ gailery of movies sensitive photo cell to and tallang movies” telephoned from (hicago to New York theaters on wheels reach street crowds “trick shots’ printed from straight film waves made with boxes Mower—tor track, clears weeds from railroad line 749 Museum— Philadelphia art, millions spent on curves that fool eye 32 Musical Instruments —big horn like a harmonica 400 Muskrats farms in swamps yield big returns 290 save fish im northern hatchery .. 471 Mustache—gum for talse ‘

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POPULAR MECHANICS INDEX, VOLUME XLIX U. — the world’s big gun record the nation’s greatest ships runes ap Niagara Palle—engineers secking way to save Nose —reduced by fans im vehicle tunnel Nutcracker— metal squirrel .e) jate—amut disease cured by D cage Tier—wraps 40 bundles a minute ais protect knees and preserve clothing ‘age Marker—<impile, tor magazines unts and Painting Jummum pamt nzimng cast tron lor holders for vice tor pamting stripes fective tool tor stirrmg pamt tracting paint from wood nts tor the painter wd wax finish revival of old art ethod of preserving paint and enamel ature as a gunte for color schemes rom grape seed waste used paint unting boat bottoms atfold for rayer on vacuum cleaner saves hand paimting ray outfit is run from lamp socket ping autos made easy with pencil painter keep the marking brush clean ng of stam tour ich blossoms tor auto rims fecorators ansy per elets for fasteners protect er for furniture and rugs m wild pimeapp ulp made from chopped phone bowks cks and twists with Parks, Natonal—permanent residents getting ready for tourists to squeeze from tubes turntable breaker speeds street work iiture” age = genet from m quid, from = scales Pen, Electric——to burn designs is aid in decorating Pencils easy tricks with with tape measure in the end writing im the dark easy cas flashlight on ether masks for y ste ray ng Pearls real by x rays Perf, in making disease 7 810 1054 1 767 Sl 19 Persummons— de puckering Pewter —repairing broken articles automatic anit changes records combmed with stereopticon gives lectures mdestructible records ae -- to project films 634 holder om manuscript 1057 novel albums 505 359 . 975 ams 209 646 blocking out en” cable shutter release fitted to camera 6A} camera takes 400 pictures at one filling . 187 exposure meter for refiex cameras 463 how small siver crystals make photos powemble 6/4 how to take long narrow pictures ong ave light streaks on film packs backgrounds hunteng bears with camera 42 458 I mvisible eye uw latest terror to crooks loading box ands field work of lite amt of tower pollen 710 photographing objects through magnifying gases 506 photographs of bleed circulation 440 raped printing press climinates trumming 9R7 stunts tor the camera 1023 superspeed photos of tres to reveal faults a1 temperature in developing negatives 467 welding arc used tor imterwr 49 Submarine —undersea wonderland re vealed by camera 416 dolly faciittates moving sound measuring gauge axis tuners with folding keyboard saves space Picture Coiored—sent by wire across continent Picture Gailery —trom cigar bands Pineapple, Wild—paper trom trozen, thawed with electric iron unscrewing thin tubing vise helps laying Fitting—tin foil for packing glands Organs —man made gales needed to play Air—bow to prevent corrosion Pipes, Smokers--casy way to Pipes, Soil —cutting cast iron Pipes, Weil removing driven Piston Rings compressor sell yy Planer —arr driv lean tor logs speeds building of ships 2 Plane, Rabbet —with marker, helps im setting locks 5 Plants — living, form tiny house for park display Plaques —artistc, are casy to make Plaster Casts—green bronze finish tor Playground om root for tootball and tennis om store root ards women shoppers Playground Apparatus —fire escape as Pliers have with 149 smald'’s slide stop for bending wire 161 parallel jaws get pertect grip with with Police models help teach street locations radio, patrol city strong arm tricks that subdue unruly prisomers 77 Palo-—piayed om surtboards tests rider's skull 208 Popcorn eiectric popper operates at table m rambow colors, has bigger “pop” 78 Porch balcony is cheap substitute in smal) home 1057 Potato better plants orm™m of Poultry brooder ventilator serves as smokestack chicken shelters made trom auto hoods hot springs heat special incubators Poultry Netting —<iispensed by turntabie Presser —ciecctric, tor trousers Prinung remedy tor oversize rollers Prints—colored, transterring from comics ’ Pruning —biock and tackle tree trummer make easier 594 Psychology — putting your mmagimation to work 50 revolving shares thoroughly stirs soil rotary pulverizer saves tarm work

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12 POPULAR MECHANICS INDEX, VOLUME XLIX Pulleys—-beiting horizontal to vertical ve $22 Radio— Batteries Pulmoter—for trees . 279 ane i et vamp valve on ther piston packing for ‘ — $21 when to —_—e dripping old, making new . 165 Radio— Broadcast Putty—keeping in good condition 668 of opera helped by apwee | panel Secret, aided by “ear and brain” ous R forms for low. loss handy mounting for homemade on Radio announcer outfit designed tor mounting on socket A-power unit for set builders ; dust-proof midget battery supply from tarm hghting plant fixed midget easy to wire building an imexpensive test set ganged in one unit with drum dial clock starts and stops current , ob 2 ground rotor type elminate body capac ity comes by wire midget easy to make directional short-wave telegraphy , 2 proper testing ef = dry rectifier replacement units remodeling variable eliminating power hne hum salvaging shorted experimenter's telegraph key simple vernier flashlamp makes pocket tester , sliding, has many advantages hidden lock for radio console Radio—Construction homemade how! preventers drill made from auto horn motor homemade volume control device timesaving hose clamp can be used ice melted from wires with electric “toaster” 7 Radio—Eliminator mexpensive panels eliminating hum of B lamiting mterference from x-ray machines fifteen dollars builds B . messages to be sold by the inch new units eliminate batteries short waves cast shadows resistance (bias for B-eliminator simple wire-tinning device resistors with mounting to prevent sag soldering “gun’’ operates on battery shielding for the homemade B steel mast easily erected signal lamp for B suppressing excessive oscillation simple B for direct current table mounting for pane! meters : stable filter for 5% Radio—I nstallation to prevent oscillation in rf. stages unit prevents ‘“‘motorboating”™ ethcient radio ground variable resistance improves set gas pipe a poor ground Radio—Aerials homemade ground clamp that grips ball.antenna kit - of speaker jacks on subpane! connecting the light socket panel brackets made from brass tubing designed hke brush a soldering connections to iron .. kinks as wirtng kink loop built on Japanese umbrella ia wirtmng set without solder .. picture frame antenna , wiring should be carefully examined spreaders for cage ee — stand-off insulator for lead-in combined with hght fixture support for, on apartment building .. cone, mounted in tip table Radio—Amplifier- building a perfect-tone ¥ 7 control unit aids reproduction Radio—A tions curing notses amphher helps deaf in learning speech .. ; disk cutter for cone speakers beacon to guide plane eliminates headphones employs pyralin cone cab drivers called for hotel guests extension cord connector “detective” on meter traps current thieves hiding : doctor answers door in bed kinks for cone type dynamos tested to reveal hidden defects midget is five inches high earthquakes recorded by of new cone, has free edge faces produce different sounds ar rubber feet for fashion designs by simplified connections for portable letter box sings and talks to advertise air maii throws voice mile in the air loud speaker speeds up trains in denaeneee ‘ milan toate an motor operated by radio sheatem orchestra Radio— Pictorial 125, 313, 486, 653, 829, 1005 music from the air produced by wave of hand Radio— Receiver passing train reports self adapter makes short-wave set of standard .. 477 police keep in touch with headquarters automatic variable coupling teatures new “Hi power, light and heat sent out by tube Y-Six” 312 telephones on liner serve every cabin balancing the “economy nine” superhet .. 301 voice starts and stops train by radio control _ bringing old audio amplifier up to date 483 wave of hand starts auto bunched leads for sharp tuning + 132 waves penetrate rock 500 feet ‘a compact set for console installation 308 weighing by radio__.. : be complete subpanel unit for five tube set 308 window displays by radio .. ee aa ' controlling tone and volume ee 133 Batteries convertible all-electric five 655 adding distilled water nid drum dials feature new nine-in jine 38s avoid spilling electrolyte on storage for auto dashboard ae caring for A P imecreasing sensitivity in tuned rf. charging switch for wet B.. ee remote-control tuning unit filling storage B screen-grid special five dollars builds A. battery and charger selectivity feature of aero dyne six homemade fuses on cable ow simple three tube all-wave homemade relay for trickle charger gabe simple wave trap . mom corrosive connection cede superheterodyne kink overheating shortens life of storage .. using af. transformers for raceme coupled preventing charger hum és : wired units preventing corrosion — Radio— Reception rotation of B eres 660 comfort pads for headsets .. safety clips tees simple device aids selectivity snap terminals om leads ......- «sss eee- sound absorbing multiple walls to improve

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ae oe eww KE Ne OH & Vue SE nr” POPULAR MECHANICS INDEX, VOLUME XLIX Radio— Repairing sve ake coast ‘petten testing and trouble shooting .. the radio doctor trouble shooting kinks .. Radio—Resistore—new chp mounting are wire- wound a Radio— Transformer made hike treasure chest plug imto standard sockets Radio— Tubes adjusting grid bias of vacuum filament control for a.c. elrminates power rheo- stats 1991 general care 663 how to prevent blowouts oe £40 latest in super power 1916 hght-sensitive . ¥ 1% new tube is self neutralized 135 one does work of three 4a7 output mmpedance for power tube .. 131 power tubes used as detectors .... 132 selecting the correct gridleak 651 simple tester for experimenters 839 Radium—sentries guard mane in Africa - 399 Raft-—-made from imner tubes ca 681 Railroads air driven ballast tamper aids work 231 battery oil electric engme to speed switching 798 crewless trains speed mail in London tunnel 929 crossings, strap lime warns automsts of 49 double decked car speeds auto —en 817 cohen speed trams — 182 highspeed steam car has hidden boiler 425 Hudson bay road will end at Churchill 459 loud speakers speed up trams m switchyard 760 man made earthquakes help survey 926 model, aids instruction of trammen 464 on flume uses auto to haul lumber 4 738 roller bearings help improve service 288 tester finds track defects 217 ticket printer to reduce expenses _ 777 tumesaving unrt for leveling ballast _ 247 track mower clears weeds from lime 749 trains as political posters spread Russian ideas 459 travel in Austraha aided with uniform gauge 196 web shaped cleaner for tunnels - 434 R:ke —magnetic, picks up naitis s+we 1935 Ramie—plant seen as cotton nval . 25 Range, Kerosene——cleaning 862 Rat Trap-—simple way of deodorizing ~~ wee Rays, Cathode —tube, gives off radiation equivalent to ton of radium 992 Rays, Cosmic—show earth still in process of creat ing Rays, Ultraviolet—-reveal forged checks pe gar Razor—-safety, blade moves hke mower's 19 Razor Blade cork holds for ripping .. otnwe OOee used as knife 678 Razor Stropper——with antiseptic solution to kill germs , s Reamer—how to use “1051 Reduction—eating most food in morning helps .. 456 Refrigerator—-bottle cooler and dispenser a serving drinks 641 Reindeer herded by airplane 792 herds of Alaska to supply future meat . 192 Relativity—what do you weigh, relatively speaking ? sas Reservoir—cleaning silt and dirt from hot water 1018 Restaurant—endiess belt saves waiters walking 2387 Rhubarb—to grow long and tender stalks R47 Rice--new use for hulls 977 Rims, Tire-—-make handy foundry flask .. $11 Ripping—cork holds razor blade for “ee 1927 Road Construction lottery aids , 288 Roads hard, save tires ve 199 po ortable roots Protect fresh made concrete 287 Rocks “growing” due to freezing and thawing 264 393 Rollers to make small rubber 333 Rolling Pin-—-made from aluminum tubing -. 688 Roofing Paper —how to nail ee 1955 Rope——-dispenser for hardware store a 1050 tures .. ° se as uphoistering substitute for es from a hole in the ground hghter than cork : longer life for, seen in new treatment Rubber Cement —to fasten tracing paper Rubbish— handled better with mand truck Ss Saddle safe stirrups , Safe—gas guard for small, to foil burglars. Safety Devices and Measures auto horn controls lamps to guide traffic cable car to save oil men chorus of sirens on engines to reduce accidents men risk lives in bank vault to test oxygen unit ‘ paintings on street cars ‘spread. messages safeguard for railroad crossings “safety city” shows how to avoid accidents .. 895 sand boxes for automobiles —- oa school m subway station teaches safety signals 225 stop sign from auto casing ‘ vor Ge striped suits protect highway workmen $14 Sailors——boys traimed for life at sea by avons beard school 194 Sal-Ammoniac——stops casting leaks 1949 Salt—as a walk producer , 793 Sand—shding device improves sifter 1042 Sandpaper —using im plane 161 Sawdust has many uses 459 Sawdust Burner transported over river oapite 298 Sew Frame—uses for... 169 Saws and Sawing blade holder utilizes broken pieces 440 case for the tool chest 174 file with weight helps give teeth same pitch .. 199 guide simplifies cutting at angles 200 hacksaw blade makes wire stripper 1941 motor bone, saves time and work for butcher 129 motor driven simplify wood cutting 296 motor driven that cut stone speed cathedral work portable and stationary saw combined 274 portable electric bandsaw 691 when your last blade breaks ; 338 boys trained for life at sea by shipping board 194 checker pattern reveals ancient feud 241 m subway station teaches saicty signals 225 School, Dairy—canvas ‘‘cows” aid im milking les sons 2 ‘“é 399 Scooter — foot brake for ..1019 Screen Door fastening hook securely : 1935 handle on hook permits opening from outside 192! Screw—spread for doorknobs won't come loose .. 559 Screwdriver attachment holds screws securely - $24 holds screw while starting it 394 Sculprere ree hand im reinforced concrete largest statue of Christ for South America tableau models give glimpse of artists’ lives Seasickness gas latest cure Seals Alaskan, are increasing Sea Wall—giant, costs $3,000,000 Sewage Gae—as fuel to drive electric generator Sewers —plugged with old inner tubes Shale—makes concrete hght without strength loss Sharks——ship hunts sea terrors to make shoes Shaving Accessories—lather bulb replaces brush Shims—instead of wedges under shaper of ww work 693 Ship Modded “Flying Cloud” kinks making sails, blocks and deadeyes for 846 Ships and Shipping battleship s fighting face battleship is turned into airplane carrier blisters on dreadnaughts to absorb shocks carries seaplane for pleasure trips cleaning plane carrier is giant task conquering age-old sea perils four-day Atlantic liners promised 143 319, 494, 671, 849, 1031 6an

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14 POPULAR MECHANICS INDEX, VOLUME XLIX Ships and Shi —continued garage m tric limer .. ea 119 running @ sea-going hotel 8 sailing liner to bring hack ocean's thrills 635 speed boat to cross Atlantic in four days a spring paddies to develop speed 719 true stories of sea tragedies 203 urge wrecking of old ships to improve fishing. 63 when a ship is arrested .. 65 Shoes com in-slot polisher gives bright shine 936 - vlored, are stamless : 211 500 kinds of materials used in women's 737 made from old tire casings 9R9 suede, blackening without dye 669 tanning without dye R48 Signs double-glass prismatic show letters clearly 465 fiexible “no parking” ces 559 tape for temporary os ee 1921 Silo—cheap, homemade 873 Sil e how to clean as eae to remove egg stains . 667 Siphon employs bulb to start and stop - 71 how to start ° 1038 Skating ‘hot ice” for rinks 817 skate sailing is thrilling sport ‘ _ 137 Skin—registers emotions 7 Skylight—chain hit atds ventilation 942 Skyscrapers forty-two story opera house for Chicago 591 giant New England building would hold small city 56 have they reached their limat? ae 34 Sled barrel stave - —T 151 from auto frame 693 motor makes high speed with air ’ propeller 544 single runner 329 with roller runners speeds over bare ‘ground 74 Sleighs—brake for 3390 Slippers—paper, given to hotel quests pe 45 Smallpox—red walls urged for patients .. 416 e beam of light helps measure density . 691 robs cities of sun needed for health 584 Smokers’ Accessories ash tray clamped on card table .. 697 coin-in-the-slot cigar hghter filling stand 922 cone in bottom of pipe bow! insures cool smoke 782 easy way to clean pipe .. . 1049 filling station for cigar and cigaret lighters 734 homemade cigar and pipe lighter for motor car 856 homemade cigaret lighter R41 humidifier without a motor saves agement 799 pipe-cleaning set im holder carried hike pen.. 113 rubber bulb breaks.in pipe . 400 slot machine distributes cigarets and matches 415 steam boiler to clean pipe 208 Smokestack kept dark to protect birds oes 46 outline hidden with steel framework .. 57 Smuggling—the border patrol oe 931 Snakes—myths are disproved éa 748 Snow melting quickly . «. 703 sculpture is feature of winter sports 624 —metal, movie actor rolls down hill in .. 543 Snowflakes—icy jewels of the winter storms 116 Snowslides—prevented by wire loops eo O95 Soap : paper, is latest travel aid we . 944 used for architectural — oe 701 Soap Bubbles—blowing gian 142 Soda Dispenser—coin in- = serves drinks quickly 440 coloring to match brass -.. 848 how to file Rds inate Ge pneumatic plant for the shop . 875 precautions for gasoline tanks .1048 “Song Thermometer”—stimulates singers during rehearsal 956 . 718 290 aC ee opis South Pole—Byrd expedition to de Spark pressure test shows up defects Spets—of paper shield stockings .. Spider Parm—insects produce web used in micro- scopes, etc Wheel —how to make a colomal Spool—makes cool grip for small drain cocks Sports, wWeter improvement for the surfboard Sports, Winter tum on ice with motor wheel snow sculpture is feature of as Spots— removing, on varnished surtace Spraying—cold steam kills insects on crops Spring, Coil—-unwinding Stammering cause traced with breathing gauge Stamps mostener for, guards health pattern in postage, decorates picture Stars—heat of, measured by dehcate instrument .. Statue Lincoln shown as lawyer three ton howted on dome Steel amounts used for pins, needles, etc better and cheaper by new process machining cold rolled made at cost of iron by new process the modern alchemists se Steel Wool as aluminum ware cleaner Stirring Rods —cheap glass Stockings——needle knits up runs Storms electrified, dust winter, grow faster by might than day .. Stove—cooking on a “tim heater” Stove, Electric cooks entire meal and heats water ot aluminum cooks whole meal at once Street Car-——«quictly running, has features of auto Strese—colors help solve problems that baffle engi neers Stretcher —equipped valids String—casy tricks with Studs—calculating number required in a wall Stunts—-ieap from auto to airplane without ladder with springs ‘for moving m chamber to free sea victims trapped in sunken inventors secking to make sate we life suits for crews to aid in rescues risks men face in subs ‘ super, to cruise 8,000 miles . wins first battle with pirates .. , Subway—built im deep ditch to save tunneling Sugar from wood used as medicine in early ages Suitcase—casters for heavy gauges measure heat for weather data harnessing . health rays cut ‘off by city emoke heat measured for weather data heats water for home 2 measurements show size changes mystery substance in, is rare gas Sunburn—beware of affect weather and weather Surfbosrd—improvement for .. e Surveying-——transit and level combined bathers’ push wheel adds sport to spinning wheel adds sport T Table—folding, fits into bag for casy =e Tacks—ceasy method of removing _... ‘ Tank—repair for gaivanized Tank, Hot Water —insulating Tank, Water—renewing old .. Tape Measure in lead pencil is on spring reel Tar—practical container for melting 8 ewes Target—pistol range recovers spent euayeetimaene bridge | tests eames skill ob YT ee ees ee ee ee ee | 28° - 102% - . ‘ _-_ -e i | NmAD ++ t- a ea .~ 4 19 tw “wwe SD < . * 2 39 Re. $25 157 Boe 231 B68 18!

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192 Tattoo— aorkes on oe helps prevent theft at) acrial maps 3 . eae veerab drivers called by radio Seeeeeneee reakettie hanger for, on stove .. = reeth decay prevented with rubber pick a Telegraph Pole —tripods for, resist frost action Telepnome handles calls for absent subscriber 412 carrer, restores broken service 400 n unfant’s crib reduces mother’s worry 447 rates on roll curtam .. 194 alence shutter prevents overhearing 944 special mouthpiece frees both hands RR4 ne Directory 7 vy chopped to make pulp for paper 24 that saves time soaneee ie largest disk for, triumph of U. S. $43 est pocket set helps hunter and hiker 412 = ae by quartz and improved screen 935 tashion designs by radio " 42 tor the home . $29 nks ship to land in successful test 982 Tennis —“silent partner” helps develop skill 407 llapsib le pole ee 1928 how to fold single handed 1034 selt closing mosquito netting for doorway 846 Th ¢ a —— created by light in new stage effect .. 432 missing key board for patrons 785 movie on wheels reaches street crowds 735 sceme wonders of the stage 627 stage and audience revolve in German 928 tage effects with lumimous paint 393 hermometer——wet and dry combined in one 712 hermos Bottle ectrice heater for oe 1920 ~ 2 fo L Se errs 595 Timber —our last virgm wilderness 619 Time — where it begins and how it is sent 129 Tin removing from tinplate scrap .. R65 Cans—devices made from $15 res scones make long wear shoes 9R9 aults revealed by superspeed photos 81 Tomatoes —seediess variety produced 399 Tongs —to remove chnkers save coal and dort 14 Tools automatic chamfering attachment on parting $25 are of pneumatic 790 suse of cracks , $22 tor laying out keyways —- R47 r turning hot valve wheels ca mechamics’ clamp and biock simplifies small robs 998 rabbet plane ‘with marker helps in setting locks 617 se care to remove chip from cutting - $12 Toothbrush rotary, aids dental hygiene 39 sed om eyes to cure disease 369 with replaceable head, cleans between teeth .. 199 Toothpick—-of rubber prevents decay 783 Tornadoes—freaks of am 6nn Tortoises——live on land aa 459 Te wels——hotel, are popular souvenirs .. 120 soys animal cireus helps educate children 922 cannon that shoots gas eliminates danger . 621 endless track for tram is novel window display 107 mimature castle doll house senne 17 racer foot car for children - 954 simple merry-go-round $07 Trachoma—cured by use of toothbrush | Saad 369 Tractor lugs for wheels help over mud oe 285 that mows trees helps clear land 234 to drill oi! well reduces cost 636 used to sharpen harrow disks 338 Traffic — relieved by auto road through build- ~_ guided” by lamps controlled ‘by ‘auto horn 386 human heads warn speeders to obey laws 953 police carry lighted clubs to direct .. 810 Street guide at curve saves extra police 94 Treasure—on the trail of hidden vos oe, $06 POPULAR MECHANICS INDEX, VOLUME XLIX Trees kinds in United States permanent wave for walnut pulmotor for road runs through ‘huge ancient cedar stump trunks swell at might and shrink by day Tree Trimmer— block and tackle, cases pruning Trench Digger does work of many men Tribal Coremenice long nosed mask features initia trons Tricks easy with pencil easy with string strong arm of police that sulxice unruly pris oners Trolley—arease on wires helps remove ice Trophy—siiver blast furnace given as safety .. Trousers——protected from storms by waterproof covers Truck —for moving heavy machinery Try-square- gauge for testing Tunnel Hudson is world’s newest marvel one way for autes also aids irrigating ten mile under the sea (Japan) se Turbine, Condensing locating air leak in Turtles —live in the water 7 Typewriter Sapetee carbon and ribbon tester fits in pocket ink fount prolongs life of ribbons renewing mbbons sticky tape on eraser lifts letters Typewriting chart to teach saves student's time holder tor cards aids typist U Umbrella fits in handhag growing handles shp cup holds ribs together with kinked stick helps shelter two with window panes to prevent accidents Vv Vacuum Cleaner for exteriors of buildings hand size, simphhes housework sands and waxes floor to clean combination stove to clean tool cabinets Valve Springs—uses for old Valve Stems——-packing tor small Valve Wheels—too! tor turning hot Vanity Case—with tringe to conceal lipstick Varnish to remove from antique furniture to remove white spots from Vaseline —protects hands while doing grimy work Vases artistic homemade Vegetables handy contaimers for store Veneer -to fasten loose sis Ventilation—-cooling device for kitchen air Violin combined with horn produces full tone metal sound post improves tone wire guiding bow helps beginners play wooden prongs improve tone .. keyhole saw pipe support for heavy support to hold work helps prevent damage two used for press work Voice—<detects in speech recorded to aid speakers Volcano model is feature of exhibit queer island seen as continent in the making Ww Wading Pool—portable, is ee 3 joy Wagon—noiseless, casy mding Wall Paper—removed with steam Walls, Plaster—hbow to harden chalky 15 469 86 279 472 9% $94 974 #19 tn 692 281 ARs * 273 aa

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16 POPULAR MECHANICS INDEX, VOLUME XLIX Warfare France builds “tank of the air” for night bomb ing raids ‘ the man on foot strikes hack Wartare, Chemical—smoke screen guards Panama from air attacks ° Wer Maneuvers—smoke screen guards Panama from air attacks Ge Ware—picture record of U. S. to aid historians Wash Basin—for industrial plant, has foot lever Washer—has even grip to defeat vibration Washing Machine—e'lectric weighs filteen enmuet Waspe -raised to fight codling moth Water pumping clean, from a cistern purified with electricity Water, Hot——from outboard motor Water Pipe frozen with chemical ice to make extension why hot freezes more readily than cold Waterproofing matches parafhin used for canvas Waterspouts—-the ways of Waves, Ether to help treat disease Weather affected by sunspots affected by volcanic dust gauges measure sun's heat for data influence of sunspots msects are prophets made to order in war on insects tracking to its lair Weather Vane—arasshopper, honors business man Weight Lifting—-two pounds less than a elephant Welding—new hydrogen process West Point—four years in $36, 7 Whales hunting from the air study to help avoid disease of divers tagged to aid in study of habits weight of brain Wheel—repair for broken spoke tenon Wheelbarrow easy-to-empty, needs no blocking fender for Si4 hoisting sling for 1051 Wigs—ancient art of making adds to opera lure 376 Windmill—run by shutters gives long service 747 Windows pictures painted on, to save ae 892 to prevent freezing to sill ¥é 877 Windows, Casement—ficxible spring strip holds open Window Shades protectors for Wire hall-peen hammer for winding tightly couled by aid of copper pipe Wireless — wired, saves railroad many miles of wire 266 Wire Stripper made from hacksaw blade 1 Wire Transmission colored picture sent across continent Wood finishing patterns preserved for ages simple way of bending thin treated to yreld sugar walnut trees graited for beautiful gram Wood Boxz--for the tarm kitchen Woodwork to remove bruises trom Wool how to shrink darning made moth proot by chemical! treatment d Workers —produce more today despite shorter hours Working Time cight years of life is man's aver age Wrench, Chunk improved Xx X-Rays distinguish genume from “‘culture’’ pearls effect on mice and potatoes photographs of rock sections to aid industry reveal best grades of coal Y Yardage Checker—simple, aids engineers Z Zeppelin—-monster German to be fitted for trans atlantic flights Zinc—-used to mend aluminum Zoo animals’ health guarded by special weather barless, to have electrically heated rocks sailor's pets form collection sight secing bus for small boys >> r >> > > 73 Awnin, Basket Bears— Blotter B ats 3 5 Bridge SB uildin » Cactus Cafe— me Calcul bra xanark hurch ac garet Cl ck ’ flo sw Cookst , Cc tton: