Oil Pressure, Dual, Supercharger Sump, Bendix Magnesyn, C-121 Lockheed Constellation PBY Catalina likely New Old Stock

likely New Old Stock

The pointers are marked L and R

the indicator displayed the pressure being applied to the rubber surface de-icer boots along the leading edges of the wings and empennage to dislodge ice which has formed

True Airspeed Indicator

MODEL OF THE YEAR 1944

Oil Pressure, Dual, Supercharger Sump, Bendix Magnesyn, C-121 Lockheed Constellation PBY Catalina likely New Old StockThis is a dual Oil Pressure indicator as used to measure oil pressure in the left and right hand supercharger sumps in the US Air Force C 121 transport version of the Lockheed Constellation. See photo of the location of the instrument on the air conditioning control panel from the C 121 flight manual dated 1965. Measures 3. 25 inches diameter and ~3 inches deep.