The Seesaw and the Shoes

The Seesaw and the Shoes

11 Protokoll 1945 HD

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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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  • Subtitle
    Subtitel HD
    • 1 - Subtitel - HD
      Sehen HD
    • 2 - Subtitel - HD
      Sehen HD
    • 3 - Subtitel - HD
      Sehen HD
    • 4 - Subtitel - HD
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