An edition of Monocord Switchboards of Units Type EE-2 and Type EE-2A and Monocord Switchboard Operator's Set Type EE-64 (1921)
Monocord Switchboards of Units Type EE-2 and Type EE-2A and Monocord Switchboard Operator's Set Type EE-64
By United States. Army. Signal Corps.
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Publish Date
1921-08-31
Publisher
U.S. G.P.O.
Language
eng
Pages
30
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