Airspeed / Mach Speed Indicator, US Air Force Type ME-4 F-101 Voodoo This indicator has a service

This indicator has a service label stamped April 1945 on its rear

This is a vintage Cold-War-era Bomb Bay Tank Fuel Quantity Indicator

This is a fine example of a Cold War-era

It appears that the components may be original and untouched

the aircraft is at its maximum allowable airspeed or maximum allowable mach speed

Airspeed / Mach Speed Indicator, US Air Force Type ME-4 F-101 Voodoo This indicator has a serviceThis is a Type ME 4 Air Speed Mach Speed Indicator with Maximum Allowable Indicator as used in the Cold War and Viet Nam War era's US Air Force Fighters F 100 Super Sabre and the F101 Voodoo. See images from their flight manuals. The indicator displayed airspeed from 60 850 knots, and mach speed from 0. 5 to 2. 2 mach. The knob, when rotated, adjusted the air speed index pointer along the perimeter of the airspeed scale. The red maximum airspeed