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.| Status: | Released (1945-05-05) |
|---|---|
| Screen: | Rosemary Foster |
| Productions: | Metro-Goldwyn-Mayer |
| Production Countries: | United States of America |
| Spoken Languages: | English |
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