6

The Seesaw and the Shoes

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.
Partager: 
   

Durée: 11 minutes

Qualité: HD

Libération: 1945

The Seesaw and the Shoes (1945) - IMDb  6