B-29 Superfortress Combined Manual Set: Flight, Erection and Maintenance, Cold Weather 1944-5 C-47 The knob is used to

The knob is used to adjust the altimeter to the barometric pressure as would be displayed in the small window at the 3 o'clock position

This manual is stamped on its inside title page NAS Guantanamo Bay CUBA

the pointer indicates altitude along the inner green scale

and slide that semi-circle edge over to 60MPH

B-29 Superfortress Combined Manual Set: Flight, Erection and Maintenance, Cold Weather 1944-5 C-47 The knob is used toThis is an authentic original (not a reproduction or CD) of three Boeing B 29 Superfortress Manuals: Flight Manual dated Sept 1944, Cold Weather Operations dated Nov 1943, and Erection and Maintenance Manual dated Nov 1944, revised Jan 1945. The combined set is over 1000 pages and ~2inches thick, containing the information necessary to uncrate a B 29's assemblies, assemble them, prepare the aircraft for its first flight, and subsequently maintain and