01487cpcaa2200349 i 4500 mm2012085751 DLC 20260227111733.0 120703|||||||||||| eng mm2012085751 DLC eng dacs DLC DLC eng ger S lcmd Sommer, Helmut, 1922-2011. Helmut Sommer papers, 1949-1970 (bulk 1950-1954). 50 items. 1 container plus 1 classified. 0.2 linear feet. Open to research. Classified, in part. Correspondence, writings, reports, articles, abstracts, notes, biographical material, charts, graphs, photographs, and other papers relating chiefly to Sommer's work as an electrical engineer in the development of radar and fuze technology while working for the U.S. National Bureau of Standards and the Diamond Ordnance Fuze Laboratories. Electrical engineer. Collection material in English and German. United States. National Bureau of Standards. Diamond Ordnance Fuze Laboratories (U.S.) Electrical engineering. Fuzes (Ordnance) Radar. Electrical engineers. itoamc 44891 44891