# Machines

Demonstrates simple machines and how they work to lighten man's work. Includes wheel-and-axle, lever, inclined plane, pulley, wedge and screw. To license this film and get a higher quality version for broadcast/film purposes, contact A/V Geeks LLC .

- Kind: Film
- Year: 1950
- By: Criswell, John F
- Genres: Industrial and advertising
- Archive: [Internet Archive](https://archive.org/details/Machines_201510)
- Licence or status: none stated by the archive
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/Machines_201510?play=1)