

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.
Director: Douglas Foster

John Nesbitt
Narrator

Arthur Space
Charles Goodyear (uncredited)
Helen Dickson
One of Goodyear's Guests (uncredited)

Feodor Chaliapin Jr.
Bit Part (uncredited)
Sheldon Jett
One of Goodyear's Guests (uncredited)

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