Installation and Maintenance of Aircraft Instruments, Oct 1941 Wellington Both angles start from the

Both angles start from the same place

part number 321-1177

on the underside of the base Russian Cyrillic characters are stamped in the metal

radio compass SCR-269-G is a complete operable unit capable of providing: (a) automatic bearing indication of the direction of arrival of radio frequency energy and simultaneous aural reception of modulated or unmodulated radio frequency energy

Installation and Maintenance of Aircraft Instruments, Oct 1941 Wellington Both angles start from theThis is a pre WWII instructional manual Installation and Maintenance of Aircraft Instruments published by the Middleton (PA) Air Depot in October 1941. Middleton Air Depot was a major support center for aircraft of the US Army Air Corps. This 30 page manual reviews the basics of installation and maintenance of the most common instruments in use at the time. It also includes diagrams of instrument panels of specific aircraft showing the location of