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.
Release Date
1945-05-05
Budget
N/A
Revenue
N/A
Rating
N/A
Runtime
11 mins