Found 1 collection related to Physicists%20--%20United%20States

Augustus Trowbridge was an American physicist and a Lieutenant Colonel in the Engineer Department of the American Expeditionary Force during World War I, heading its Sound and Flash Ranging Service. Fifty-one original letters, mostly from G.H.Q., Chaumont, France, to his wife and other relatives in America, and typewritten extracts (245 p.) from letters and diaries, 28 Aug. 1917-19 Jan. 1919, concerning army life, hardships, experiences at the front, recreation, and his observations on the war. less