List of episodes
Content: 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.
United States of America
Drama,
Documentary,
History
11 minutes
1945
Douglas Foster
Metro-Goldwyn-Mayer
Movie content ⇀