Plane Facts, Volume 1, Number 6, November 1943 OH-6 Cayuse This example is accompanied by

This example is accompanied by its calibration card and an envelope containing its original mounting screws

This is a example of a pre-WWII-era Magnetic Compass

Here is a Cold War-era electronic dual Tachometer

The firm donated an example to the Smithsonian in 1948

It is 1 3/4" diameter

Plane Facts, Volume 1, Number 6, November 1943 OH-6 Cayuse This example is accompanied byHere is an original WWII era periodical, Plane Facts, Volume 1 Number 6 November 1943. Plane Facts was published by the USAAF Air Service Command to communicate the latest information on servicing, maintaining, and repairing aircraft of the USAAF for aircraft ground crews and service technicians. This 65 page, 5. 5 x 8 inch periodical is in reasonable condition given its age. The pages are complete and intact.