Aggiungi una trama nella tua linguaPart of MGM's John Nesbitt's Passing Parade series, this 1943 entry looks at how three inventions are making a major contribution to the U.S. war effort. The first is the invention of cellul... Leggi tuttoPart of MGM's John Nesbitt's Passing Parade series, this 1943 entry looks at how three inventions are making a major contribution to the U.S. war effort. The first is the invention of celluloid when the makers of cue balls used in billiards issued a call for a replacement for the... Leggi tuttoPart of MGM's John Nesbitt's Passing Parade series, this 1943 entry looks at how three inventions are making a major contribution to the U.S. war effort. The first is the invention of celluloid when the makers of cue balls used in billiards issued a call for a replacement for the ivory they had been using up to time. This led to the widespread use of plastics. The sec... Leggi tutto