Season 9 · Episode 8 of 14
Aired Dec 5, 1968
Man And Machines
Thu, Dec 5, 1968
0 of 14 watched this season
The Greek inventor, Alexander Hero, first defined five basic devices which make all machines possible: lever, wedge, wheel, pulley and screw.
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Airs
Thu, Dec 5, 1968
Show
The Nature of Things
635 episodes
Episode
S9 · E8
in The Nature of Things