Offered for auction is a rare official USAAF airforce manual (dated 1940) describing specifically all the navigator equipment used by the USAAF during their bombing operations, and their parts, illustrated with BEAUTIFUL technical plates, including the maintenance and so forth, about 285 pages. This is absolute the bible for anyone who is interested in navigators during WW2 Many photo's, sketches; see photo's. in used but OK condition for its age.. See pictures, they are part of the description. Don't miss this nice very nice manual! Very useful WW2 technical manual for your USA WW2 collection or or watch/sextat collection! See also our other interesting WW2 USA items that we have on offer on catawiki!