The Seesaw and the Shoes
1945, documentaire, drama, geschiedenis
11 minuten
This short shows how two objects led to important discoveries. Children playing with a seesaw inspire French physician Rene Laennec to invent the stethoscope, and a pair of shoes made of caoutchouc lead Charles Goodyear to discover the process for...
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Rolverdeling
Narrator
Charles Goodyear (uncredited)
One of Goodyear's Guests (uncredited)
Bit Part (uncredited)
One of Goodyear's Guests (uncredited)
