Flash Spotters and Sound Rangers, How They Lived, Worked and Fought in the Great War, WW1

308 pages. Previous owner names first endpaper. Brown cloth hard cover with gilt titles on the spine. Two bumps on the front board, with wear on the foredge. Dustjacket with chips and loss at head and foot of spine in protective mylar. Illustrated with drawings. A scarce work on the Survey Battalions who experimented with various techniques of observing concussion waves and flashes in many battles. Four thousand officers and men with only one duty - seeking out the enemy guns. Simple accounts of the methods of gun location which were used, descriptions of the every day life of a Group or Section, and the personal experiences of the officers and men.   Published 1935.  Mailing anywhere.