Allied Subjects for Bombardiers, USAAF Training Manual C-54

Allied Subjects for Bombardiers, USAAF Training Manual C-54This is an original WWII era manual covering Allied Subjects for Bombardiers as published by the US Army Air Forces Training Command. This manual covers topics essential for the bombardier to effectively perform his duties, including photography, parachutes, communications, bombardment aviation, and others. This manual is in very good condition given its age. Approximately 50 pages.

which turns the double-arrow pointer clockwise or counter-clockwise

The system allowed a single gunner to train

Here is a rare item:  a Flight Computer for the US Navy's F7U-3 Cutlass carrier-based jet fighter/bomber

as used in aircraft of Royal Canadian Air Force with tail wheel landing gear

This is a Machmeter

one each on the nose and each wing

and ~5 inches deep

although they typically attempted to dive as steep as 90deg

and blue markings that rotate about an axis at the center of a fixed circle marked in degrees

With a D cell battery installed

and is essentially a 2-disc

This example is in very good condition for its age