Popular Science J-0-5
“What's New in the World of Today and Tomorrow!”
7.0(1)194111mEN
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.
Details
researchsignbroadwaybillboardone-reeler1940smicrobeelectricfaunapopular sciencekitchen20th century
