Silhouette Handbook of US Army Air Forces Airplanes TO 00-40-1 1942 Luftwaffe Made by US Gauge

Made by US Gauge

The alternating Munsell green and white markings were typical of US Navy aircraft instruments

The D-1 Pitot Tube had two designs

The small protrusion right of the digit display counter was likely used to reset the counter to zero once pressed

Silhouette Handbook of US Army Air Forces Airplanes TO 00-40-1 1942 Luftwaffe Made by US GaugeHere is an original WWII era recognition manual, the Silhouette Handbook of US Army Air Forces Airplanes, dated September 1942, Technical Order No 00 40 1. The manual illustrates 48 aircraft of the USAAF in service or experimental as of Sept 1942, including combat aircraft B 17E, XB 19, B 25, A 20, P 35, P 51, cargo and liaison aircraft, and training aircraft. Each aircraft is illustrated on a dedicated page. The 8. 5 x 11 inch manual is in good