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The Nature of Things
Season 9 Episode 8: Man And Machines
The Greek inventor, Alexander Hero, first defined five basic devices which make all machines possible: lever, wedge, wheel, pulley and screw.
- Genre:
- Documentary
- Seasons:
- 64
- Episodes:
- 664
- Cast:
- Quality:
- HD
- Duration:
- -
- First Air:
- 1960
- Rating:
- 7.2
