Popular Science J-0-5
19410
Documentary
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.
May 2, 1941
000Huge 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.
