With Graphophone Company, Bridgeport, Connecticut, 1906-1908, Winchester Repeating Arms Company, New Haven, 1908-1909, Veeder Manufacturing Company, Hartford, 1909-1911, Royal Typewriter Company, Hartford, 1911-1914, Canadian Car & Foundry Company, New York, 1915, Winchester Repeating Arms Company, 1916-1917, Pratt & Whitney Company, Hartford, 1919-1924. Professor emeritus mechanic engineering, Massachusetts Institute Technology. Now technical director Gear Systems, Inc., West Concord.
Capt and major Ordnance Department United States Army, 1917-1919. Major O.R.C. Worcester Reed Warner medal American Society of Mechanical Engineers, 1945, Edward P. Connell Award by American Gear Manufacturers Association, 1950. Gold Medal, American Society of Tool Engineers, 1957.