Aviation Engines (3 volumes, complete)
Scranton, PA: International Textbook Company. 1929. Stiff leatherette. ++++ Volume I. Aviation engines, parts 1-2.++++ Volume II. Aviation-engine carburetors. Elementary principles of electricity. Aviation-engine ignition, lubrication, and cooling.++++ Volume III. Aviation-engine accessories. Aviation-engine management. Aviation-engine maintenance.