WWII R-1820 Overhaul Handbook - 1942

T.O. No. 02-35GC-3, Handbook of Overhaul Instructions, Aircraft Engines R-1820-65,-71,-73,-87,-97.  74p, illus, 8.5x11", no binder.  Rubber stamps on the cover "Obsolete" and from North American Aviation, Inc.  Dated May 5, 1942. Very good; small cover edge tears, contents excellent.