00843cam a22002291 4500 war21000097 DLC 20260227112812.0 870812s1921 dcua f000 0 eng c war21000097 U.S. National War Coll. Libr./ICU ICU DLC QC375 .U5 United States. Army. Ordnance Department. The manufacture of optical glass and of optical systems; a war-time problem [by F.E. Wright, Ordnance Reserve Corps]. Washington, Govt. Print. Off., 1921. v, 309 p. illus., tables, diagrs. 24 cm. Its Document 2037 Optical industry. Optical glass. Wright, F. E. (Frederic Eugene), 1877-1953. Document (United States. Army. Ordnance Department) ; 2037. 92377 92377