Ainsworth, Fred C. (Fred Crayton) 1852-1934 creator mixed material monographic eng 200 1 Letters relating mainly to smokeless powder, investigations of rifle bore corrosion, and a new or improved composition for the cleaning and lubricating of gun and rifle barrels. Correspondents include Edward C. Crossman and Arno Carl Fieldner. Open to research. Army officer. Collection material in English. Crossman, Edward C. (Edward Cathcart) 1881- Fieldner, Arno Carl 1881-1966 United States. Army Ordnance and ordnance stores Ammunition Firearms Ordnance Army officers mm 78010322 Open to research. DLC 790327 20260227111621.0 mm 78010322