Switchboard, Type Monocord (1917)

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Related files

Adobe_PDF_icon.png Description and Rules for Operating the Unit Type Monocord Telephone Switchboard[1]
Translated from French
August 1917


References

  1. Description and Rules for Operating the Unit Type Monocord Telephone Switchboard,
    "US Army Technical Manual Collection,"
    from the CECOM Historical Office archive, Aberdeen Proving Ground, MD.
    CECOM Historical Office