(Created page with "==References== * '''Wire Communication Pamphlet no.2''' Monocord Swithcboards of Units Type EE-2 and Type EE-3 and Monocord Swithchboard Operator's Set Type EE-64 ...")
Wire Communication Pamphlet no.2 Monocord Swithcboards of Units Type EE-2 and Type EE-3 and Monocord Swithchboard Operator's Set Type EE-64 May, 1921 W.D.D. 1081
