
0h 11m
1945-05-05
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
Duration: 0h 11m
Budget: $0
Revenue: $0