Oil Quantity Indicator, C-54, R5D, Douglas Skymaster, Bendix 6007-58A KC-97 it is marked for engines

it is marked for engines 1 &2

The C-7 Gyro Horizon was used across all aircraft of the US Army Air Corps

and Wurzburgs

for the Douglas C-54 Skymaster Transport (see photo)

This is an Altimeter used in military aircraft of the US Navy either during or post WW1

Oil Quantity Indicator, C-54, R5D, Douglas Skymaster, Bendix 6007-58A KC-97 it is marked for enginesHere is an Oil Quantity Indicator, Bendix part number 6007 58A 15 B, as illustrated on in the US Army Air Force's Flight Manual, dated January 1945, for the Douglas C 54 Skymaster Transport (see photo). Appearing on the co pilots panel, it is marked for engines 1 &2. Measures 3. 25in diameter and ~6in deep. The scale contains markings in the US Navy style color Munsell Green, so it may have been used in the USN's R5D transport. It is in nice condition