Difference between revisions of "BD-70-T1"

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(Created page with " ==Related files== ;{{cecom_pdf|Preliminary operating instructions BD-70-T1.pdf|BD-70-T1 Preliminary Instructions}} :Description and Operating Instructions ::Switchboards ::BD...")
 
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Latest revision as of 15:20, 24 April 2014

Related files

Adobe_PDF_icon.png BD-70-T1 Preliminary Instructions[1]
Description and Operating Instructions
Switchboards
BD-70-T1 (Flash Ringing)
14 June 1933


References

  1. BD-70-T1 Preliminary Instructions,
    "US Army Technical Manual Collection,"
    from the CECOM Historical Office archive, Aberdeen Proving Ground, MD.
    CECOM Historical Office