Woolwich.The Royal Artillery Institution. 1937. 1940. Volumes II and III only. Volume II: xxiii, [xxvi], [1], 2-475pp. Frontispiece, 4 black & white plates and a folding appendix at rear. Volume II: xiii, [xi], [1], 2-577pp. Frontispiece, 5 black & white plates, and folding appendix at rear. Original buckram gilt. Top edges gilt. Octavos. First editions. Cloth of Volume II is rubbed, faded and a little bumped at edges and head and heel of spine; volume III has a very light water stain to lower board and is a little bumped at head and heel of spine and board corners; endpapers of both volumes are a little browned and marked; very light spotting to fore-edges with some marking to those of volume II. A good plus pair