Identification of German Aircraft/Luftwaffe, US War Dept, 1942, FM 30-35 JU-88 track and calculate the information

track and calculate the information to pass this on to the gunners (usually manning 20mm to 40mm guns or a 3" gun mount typically used on auxiliary ships and small craft

With the bearing target sighted through the "V" atop the glass prism

USN 33451 has been etched on the back of the case

and has the alternating munsell-green colored markings used across many USN instruments

Compass Scale

Identification of German Aircraft/Luftwaffe, US War Dept, 1942, FM 30-35 JU-88 track and calculate the informationThis is a Field Manual for the Identification of German Aircraft published for US Military Intelligence by the War Department in March 1942. It was clearly published in the rush to war in order to provide service personnel with the best information available at the time regarding the aircraft of their adversary. This 140 page manual describes and illustrates ~68 aircraft of the German Luftwaffe and Navy. The manual is in good condition. Pages 9 16 are