Shot of the Honourable CD Howe tightening nut on wheel of 500 000th war vehicle produced in Canada. Shot of CD Howe using wrench to tighten nut on wheel of war truck, which has arrived at Memorial Park from GM plant in Oshawa. Shot of Howe driving truck, leaving plant. Shot of men wearing smocks with inscription on the back "Chrysler Canada" . Shot of group on platform, left to right Honourable JL Ralston, RS McLaughlin, Baron Silverguys, Feodor Gousev, Lorne Green. Shot of truck driver handing truck to CD Howe. Shots of Lorne Green at CBC microphone, of JL Ralston and McLaughlin receiving plaques from speaker. Shot of band shell in Memorial Park, crowd. Shot of JL Ralston using drill. Shot of crowd and people taking part in ceremony. Shot of United States representatives with JL Ralston, WR Campbell, CW Churchill, Robert S McLaughlin and others. (20/06/1943)