Recognition Manual for the Pacific and Far East US Army Air Forces June 1945 45-50-5 Lancaster Operation may take place on

Operation may take place on any of four crystal-controlled channels lying within the frequency range of the equipment

This is an early WWII-era Fuel Mixture (Fuel/Air Ratio) Indicator used in early twin-engine aircraft of the US Army Air Corps

according to the documentation included in this listing

California) dated Nov 19

primarily trainers

Recognition Manual for the Pacific and Far East US Army Air Forces June 1945 45-50-5 Lancaster Operation may take place onThis pocket sized 97 page WWII manual was specifically prepared to acquaint those servicemen who were transferring from the European theater to the Pacific theater with the aircraft and naval craft that they would not have encountered in Europe. The first 40 pages are dedicated to Japanese aircraft, and includes the latest assessment of their usage and threat level. The next 30 pages cover Allied (USAAF, USN, UK) aircraft not typically seen over