# WAVEGUIDE PLUMBING

Department of Defense - COVERS THE 90 E AND H BEND IN RECTANGULAR WAVEGUIDES BY EXPLAINING THE EFFECT ON THE FIELD WITHIN THE GUIDE. TWISTS, FLEXIBLE WAVEGUIDE, AND THE EFFECTS OF IMPROPER BENDS ARE DISCUSSED. THE CHOKE JOINT AND ROTATING JOINT ARE EXPLAINED BOTH PHYSICALLY AND ELECTRICALLY. THE ACTIONS OF THE FEEDHORN AND DUMMY LOAD ARE EXPLAINED BY MOCKUP AND CELLOMATIC VISUALS. ACTUAL BENDS, TWISTS, CHOKE JOINTS, FLEXIBLE WAVEGUIDE, FEEDHORN AND DUMMY LOAD ARE SHOWN. - DOD PIN 51334

- Kind: Educational
- Year: 1979
- By: Department of Defense
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/gov.dod.dimoc.51334)
- Licence or status: [CC0 1.0](http://creativecommons.org/publicdomain/zero/1.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

Not offered: its uploader or archive marks it public domain, and nothing the site holds bears that out (its record gives no year, or a year from 1978 on, which no US term has left), so where it is free is not known. Unclear is not offered.