Popular Science J-0-5

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.

Genre:

Documentary

Duration:

11 min

Actor:

Gayne Whitman

Quality:

HD

Director:

-

Release:

1941

Country:

United States of America

IMDb:

7.0