Let Elmer Take Over

Manual for the use of "Elmer" - the aviation gyroscope that aids in piloting. Illustrated in cartoon style. 5.5"x 8" with 32 pages. Illustrated cover with some light soil, a bit of wear and general soil within. Stapled binding shows slight rust.


  • LET ELMER TAKE OVER: PILOT'S AND MECHANICS OPERATING BULLETIN MKIV- GYROPILOT
  • Sperry Gyroscope Co., 1943