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.
- Genuri: Dramă, Documentar, Istoric
- Țară: United States
- Director: Douglas Foster
- Actori: John Nesbitt, Arthur Space, Helen Dickson, Feodor Chaliapin Jr., Sheldon Jett,
