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.
Arthur Space
Charles Goodyear (uncredited)John Nesbitt
NarratorSheldon Jett
One of Goodyear's Guests (uncredited)Feodor Chaliapin Jr.
Bit Part (uncredited)Helen Dickson
One of Goodyear's Guests (uncredited)