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.

• Rosemary FosterWriter
• Douglas FosterDirector

• John NesbittNarrator
• Arthur SpaceCharles Goodyear (uncredited)
• Helen DicksonOne of Goodyear's Guests (uncredited)
• Feodor Chaliapin Jr.Bit Part (uncredited)
• Sheldon JettOne of Goodyear's Guests (uncredited)