Instrument Flying Manuals, Set of 2, Beam and Instrument Approach System 1943 A-30 There are a few minor

There are a few minor tears

This is an authentic WW2 vintage Dual Engine Synchroscope Indicator made by Kollsman

It is in good condition given its age

made by Aerosonic part number RC60V10 for Cessna

So our assumption is that this item was offered prior to 1929

Instrument Flying Manuals, Set of 2, Beam and Instrument Approach System 1943 A-30 There are a few minorThis is an original set of 2 training manuals for pilots of the US Army Air Force during WWII: Standard Beam Approach (TO 30 100E 1, March 1943, 28 pages) and Instrument Approach System (TO 30 100F 1, November 1943, 12 pages). These manuals are in good condition given their age. They came to us from the estate of a B 17 flight instructor.