Overview
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.
RATING
0.00
DIRECTOR
Douglas Foster
COUNTRIE
United States of America
RELEASE DATE
1945
TIME
GENRES
Drama
Documentary
History
Movie Trailer
Not Found