EE-2
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Switchboard blade unit
References
- File:SIG 8-EE-2.pdf
- * Wire Communication Pamphlet no.2 Monocord Swithcboards of Units Type EE-2 and Type EE-2-A and Monocord Swithchboard Operator's Set Type EE-64 May, 1921 W.D.D. 1081