BD-71

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BD-71 5.jpg

Images

Related files

  • TR-1225-1 Signal Corps Switch Boards BD-71 and BD-72 1938-10-01
Adobe_PDF_icon.png TM 11-330
Switchboards
BD-71
BD-72
BD-72-A
BD-72-B


Adobe_PDF_icon.png Instructions for Switchboards BD-71 and BD-72[1]
Instructions for
Switchboards
BD-71
BD-72
Preliminary Issue
1 September 1937

References

  1. Instructions for Switchboards BD-71 and BD-72,
    "US Army Technical Manual Collection,"
    from the CECOM Historical Office archive, Aberdeen Proving Ground, MD.
    CECOM Historical Office