Half Angel
1936
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.
Douglas Foster
Narrator
Charles Goodyear (uncredited)
Bit Part (uncredited)
One of Goodyear's Guests (uncredited)
One of Goodyear's Guests (uncredited)
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