The Seesaw and the Shoes (1945)
NR
Derecelendirilmemiş - Bu film henüz yaş sınıflandırmasına tabi tutulmamıştır.
05.05.1945
11dk
Douglas Foster
Özet
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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