Instruction in Propeller Swinging, Charles William Jefferys, July 1918
This sketch of crew members in leaside, near toronto, shows them receiving training in the correct procedure for starting the aircraft engine by "turning over" the propeller. While pilots and observers received much of the glory and faced most of the danger in the british flying services, thousands of ground crew maintained the aircraft at airfields behind the frontlines. Object Type: drawing. Date: July 1918. Dimensions: height: 21.7 cm (8.5 in) ; width: 26 cm (10.2 in). Medium: colored pencil on paper. Collection: Canadian War Museum. Charles William Jefferys - Instruction in Propeller Swinging