Popular Science J-0-5
1941 • 11m
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.
1941 • 11m
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.
