
0/10
|US
|en
|11 min
Release Date: 1945-05-05
Overview - 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 vulcanizing rubber.
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People on Paper
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