B-29 Superfortress Erection and Maintenance Manual, USAAF 1945 Sally Bomber This version displays Elapsed Time

This version displays Elapsed Time with 60 minute Center Seconds Chronograph

who was a maker/distributor of drafting and surveying instruments and supplies

the content is intact and a handy reference

and ~16 inches by 8 inches x 1/4 inch thick when opened

The difference between zero and the north-indicating pointer is the aircraft's direction of travel with respect to magnetic north

B-29 Superfortress Erection and Maintenance Manual, USAAF 1945 Sally Bomber This version displays Elapsed TimeThis is an authentic original (not a reproduction or CD) of the B 29 Superfortress Erection and Maintenance Manual dated Nov 1944, revised Jan 1945. The manual is 950 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 the aircraft. The manual is full of detailed information on all of the systems of the aircraft. It includes