The Snapshots in Time Collection
Sperry Gyropilot Operating Bulletin, 'Elmer Carries On' — Pages 22-23, Cautions and Mechanic's Pre-Flight Check
Pages from a Sperry Gyropilot training manual, 'Elmer Carries On,' used to instruct WWII-era aircrew and mechanics on autopilot operation and maintenance through a combination of technical instructions and cartoon illustrations featuring the mascot character Elmer. Project: 218077