The Seesaw and the Shoes

The Seesaw and the Shoes

Sinopse

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.

    0
  • 1945
  • Released
  • 0h 11m
Made by  Geisiel Melo  with