Intercept Officers Equipment Kit, Type I (Navigation Computer) 1943 Martin F-100 Super Sabre

F-100 Super Sabre

or patrol observer

at USAF SBAMA (San Bernadino CA Air Materiel Area)

was the US's first air defense system (extensive history can be found here)

Intercept Officers Equipment Kit, Type I (Navigation Computer) 1943 Martin F-100 Super SabreThis is a WWII era navigation computer in a kit "Intercept Officers Equipment Type I. This example includes two 2 piece USAAF Ground Speed Timer Calculators (for map scales 1: 250,000 and 1: 500,000) and 2 USAAF Rulers. The bottom of the metal case contains a mechanical computer to solve the wind problem. It has a locking mechanism and a movable arm for drift, adjusted for air speed, interconnected to the heading tracker. The lid contains tables and a