1960s
Shot of a woman in a white lab coat, surrounded by beakers and test…
1950s
A secretary wears an oxygen mask connected to a gauge. Scientists…
1940s
Men in white lab coats in science lab, testing solution in beaker,…
Dramatization of Thomas Edison and early electricity.
Various shots of scientists hard at work performing experiments.
Discussion of how germs and viruses are spread by sneezing and by hands…
