Compass, Direct Reading Magnetic, Type B-16 Do-335 The sunshade flips up and

The sunshade flips up and down as it should

indicative of its experience

This is a Master Indicator used in the N-1 Compass System by aircraft of the US Air Force during the 1950's and into the 1960's

This indicator appeared on the boom operator's control panel and indicated the length of the refueling boom as it is extended from the rear of the aircraft to mate with the aircraft being refueled

The glass is loose and appears to need a new gasket

Compass, Direct Reading Magnetic, Type B-16 Do-335 The sunshade flips up andHere is a Direct Reading Magnetic Compass Type B 16, which was used across nearly all bomber, fighter, transport, and trainer aircraft of the US Army and US Navy in WWII. This compass was typically installed at the top of the windscreen or on the instrument panel, such as seen in B 17's, P 38's, and P 51's, and many others. This example still contains its damping fluid, and the compass card rotates freely. Cosmetically, it has seen better days. It is