![](http://www.alamy.com/thumbs/6/B7486B4A-AD46-4B33-AED0-26C3F3C67A9D/2RC1TCJ.jpg)
CPL. Steiniger captured this image on February 13, 1919, depicting the protection panel and power board of the telephone system at Aberdeen Proving Grounds, Maryland, in the Eastern Department. This photograph is designated for official use only.
Size: 8525px × 5832px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 111-sc-41726, 2-13-19, 3-15-19, aberdeen, activities, american, board, cpl., department, eastern, grounds, gye472, maryland, military, notes, official, panel, photographer, power, protection, proving, reco, sed, steiniger, sunr, system, telephone, war, world