This John Nesbitt's Passing Parade short looks at how a few specific inventions made a major contribution to the U.S. war effort.
John Nesbitt
Narrator (voice)
Ernie Alexander
Billiard Ball Tester (uncredited)
Margaret Bert
Arachnophobic Woman (uncredited)
Edward McWade
Roger Moore
Doctor (uncredited)
Tom Quinn
Laboratory Man (uncredited)
Bert Stevens
