(Popular Science J-0-5)

Content: Huge electric sign operated by photo cell animation; freshwater fauna propagated by Carolina Biological, sold and used for research; pickup and delivery of airmail in flight with small planes.

Countries:

United States of America

Genres:

Documentary

Runtime:

0 minutes

Year:

1941

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Production companies:

Paramount Pictures

Actors:

Self (Voice)

Crews:

Writer

Producer

Music Director