Fecha de lanzamiento

05 May, 1945

Tiempo de ejecución

00:11: (HH:MM)

Sinopsis

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.

Fotos

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Actores

John Nesbitt

Arthur Space

Helen Dickson

Feodor Chaliapin Jr.

Sheldon Jett

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