complete machine-gun, 1885 to the present / [written by Ian V. Hogg] ; [illustrated by John Batchelor] Pictorial history of the machine gun / F.W.A. Hobart machine gun / George M. Chinn : Vol. 1: History, evolution, and development of manual, automatic, and airborne repeating weapons Machine warfare : an enquiry into the influences of mechanics on the art of war / by J.F.C. Fuller Engines of war : or, historical and experimental observations on ancient and modern warlike machines and implements including the manufacture of guns, gunpowder, and swords … Tank : the progress of a monstrous war machine / Patrick Wright
