British aircraft industry : a directory of Aircraft, Aero-Engines Component Parts, Accessories and Materials, 1939 / The Society of British Aircraft Constructors Simple lectures for the company field training, with an epitome of tactics and lessons from the Boer war / by A.W.A. Pollock A Treatise Of Artillery: Containing I. General Contructions of brass and iron Guns used by Sea and Land, and of their Carriages. II. General Contructions …