Science (Other)

1940s

13182_27799_radio_technology5

Explains electric and magnetic fields, generation of electro-magnetic…

1940s

13182_27799_radio_technology1

Explains electric and magnetic fields, generation of electro-magnetic…

1940s

13182_27799_radio_technology2

Explains electric and magnetic fields, generation of electro-magnetic…

1940s

13182_27799_radio_technology3

Explains electric and magnetic fields, generation of electro-magnetic…

1940s

13182_27799_radio_technology4

Explains electric and magnetic fields, generation of electro-magnetic…

1960s

13182_6488_power1

Footage of a-bombs, then the history of human technology and the need…

1960s

13182_6488_power2

Footage of early windmills and irrigation. Shots of steam engines and…

1960s

13182_6488_power3

Footage of waterfalls, electric signs, dams, and discussion of how they…

1950s

13183_38570_preserving_foods3

Footage of microscopic level of yeast. A woman shown kneading dough and…

1950s

13183_38570_preserving_foods4

Shots of petri dishes and various moldy foods. Footage of a scientist…

1950s

13183_38570_preserving_foods5

Footage of a plant growing and developing, with shots of its roots…

1950s

13183_38570_preserving_foods6

Footage of milk being pasteurized. Shots of cans on an assembly line…