Popular Science J-0-5
7.0
1941-05-02
11 min
EN
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.
Status
Released
Votes
1
Budget
$0
Revenue
$0
Cast
Gayne Whitman
Self (Voice)
