The Seesaw and the Shoes

The Seesaw and the Shoes

The Seesaw and the Shoes


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11 minutos1945HD

Ver The Seesaw and the Shoes (1945) Online Cuevana - 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.

The Seesaw and the Shoes 1945
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