Elementary optics and applications to fire control instruments (1922)
United States. Army. Ordnance Dept · Washington, Govt. Print. Off. · leaf 5
^giSL.. Hi iVSir T f !P?:^^n 81M29 ttF 9,^ ■ UNIVERSITY OF CALIFORNIA LIBRARY … WASHINGTON OOVERNMKNT PRINTING OFFICE 1922 PHWCS OK- ilF ?is fMYSICS t)EPT, WAR DEPARTMENT, Washington, 3Iay 10, 1921. The following publication, entitled Elementary Oj)tics andApplications to Fire Control Instruments, is published for theinformation and guidance of all concerned.\mi.\, A. G. o.]…
Optics · Optical instruments · Fire control (Gunnery) -- Optical equipment
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