
Released: 1945-05-05
Genres: Drama, Documentary, History
Revenue: unknown
Cast: 5
Popularity: 0.096
Links: : Homepage, IMDB, TMDB
Synopsis : 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.





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