Airspeed Indicator, Maximum Allowable, Type L-7A w/Mach Limiter, Kollsman 1214DX Smiths B-17 Flying Fortress

B-17 Flying Fortress

The back screws off

This altimeter traversed the Sacramento Air Logistics center at McClellan Air Force Base in Nov 1982 (see label)

and radio equipment

Airspeed Indicator, Maximum Allowable, Type L-7A w/Mach Limiter, Kollsman 1214DX Smiths B-17 Flying FortressThis is a Cold War era Airspeed Indicator, 0 650 Knots, Maximum Allowable, Type L 7A, made by Kollsman and used in aircraft of the US Air Force such as versions of the fighters F 86 Sabrejet, F 80 Shooting Star, F 84 Thunderjet, F 89 Scorpion, F 94 Starfire, trainer T 33, and versions of bombers B 47 and early B 52's (see illustration of B 52 panel). The main pointer rotates clockwise as the airspeed increases. The horizontally rotating drum above