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.
Released: May 05, 1945
Runtime: 11 minutes
Genre: Drama, Documentary, History
Stars: John Nesbitt, Arthur Space, Helen Dickson, Feodor Chaliapin Jr., Sheldon Jett