Instrument Flight, Part 1 Basic Air Work, US Navy 1944 RCAF The P-38 had two fuel

The P-38 had two fuel quantity indicators

including the Enola Gay (see API on navigator's panel)

Here is an engine Torque Pressure Indicator

and Bell UH-1 and AH-1 Cobra Helicopters per their maintenance manuals

Our Waltham A-8 appears to be either NOS or lightly used

Instrument Flight, Part 1 Basic Air Work, US Navy 1944 RCAF The P-38 had two fuelThis original WWII era instructional book, Instrument Flight Part One, Basic Air Work, was published by the US Navy in 1944. This manual came to AeroAntique from the estate of a pilot of an SBD Dauntless Dive Bomber, although not marked with its former owner's name. The 155 page book measures ~4. 5 inches by ~7 inches, and is in good condition given its age.