Airspeed / Mach Speed Indicator, A-7E Corsair II C-54 Included are:

Included are:

This is a Beam Compass Indicator

5 inches across and ~7 inches deep

The instrument has two neon lamps which are lit when passing directly over the appropriate marker beacon

The junction box would be installed beneath the skin of the fuselage

Airspeed / Mach Speed Indicator, A-7E Corsair II C-54 Included are:This is a late 1960 70's era combination Airspeed and Mach Number indicator with Maximum Allowable Speed indicator, Type B020022115, made by Astek. This indicator was used in the E version of the US Air Force's A 7 Corsair II Attack aircraft. The contract number on the instrument has been positively identified in a US Dept of Defense document as corresponding to a US Navy order for A 7E aircraft with LTV in FY1967 69. See image of a A 7E instrument