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 discove...
Alle Titel |
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Regisseur | |
Schauspieler | |
Release | 05 May 1945 |
Links | IMDb |
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