P/b, 9.5 x 15.5cm, 18p, 1943. Published by the Curtiss-Wright Corporation. Intended to provide all flight personnel with a convenient reference containing pertinent propeller operating data. The text includes a brief description of the construction and function of the electrically controllable propeller, and a compilation of facts and data dealing with operating procedures, operating recommendations and so on. Some creasing, a few loose pages and rusted staples but in good overall condition. Stock code P20641.