Curtiss Aeroplane and Motor Corporation. The Curtiss Standard JN-4B Military Tractor Handbook. Buffalo, NY, 1917. 32pp, illus plus two large foldouts (front and side view of entire aircraft). A companion to the V-2 motor handbook (18-PILOT-00008) and in the same wonderful condition (one foldout loose with some edge folds). This is the classic U.S. Air Service Trainer in WWI, of course.