Directors of Photography:
Actors and Participants:
Library and Archives Canada: 16mm.
"The necessity of devices for directional orientation distinguishes humans from many animals born with an instictive sense of direction. The earth's magnetic field and its role in the use of compasses is explained and demonstrated. Sequences on the manufacture and testing of compasses are also featured. Roy Bonisteel is the on-camera host and narrator."
Crawley Films, Free Films: Sources of Free 16mm Sponsored Films in Canada Compiled and Published by Crawley Films (Ottawa: Crawley Films, April 1969): 35.