Airspeed Indicator, Maximum Allowable, Type F-5 w/Mach Limiter P-39 it was fitted to the

it was fitted to the Lancaster

(see photo of the B-29 Superfortress Enola Gay from its restoration project

and the B-57 Canberra

Measures ~6 inches diameter and ~7 inches tall

the E-1 was the first in the E series of sophisticated fire-control systems that were to equip more modern planes

Airspeed Indicator, Maximum Allowable, Type F-5 w/Mach Limiter P-39 it was fitted to theThis is a Cold War era Airspeed Indicator, 0 700 MPH, Maximum Allowable, Type F 5, made by Kollsman and used in aircraft of the US Air Force such as versions of the fighters F 82 Twin Mustang, F 86 Sabrejet, F 80 Shooting Star, F 84 Thunderjet, F 89 Scorpion, F 94 Starfire, and trainer T 33. Made by Kollsman, part number 865FU 8 042, with a serial number prefix of AF 51, indicative of a year of manufacture for an aircraft order for the USAF. The white