Difference between revisions of "SB-18"
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small unit switchboard. morphed into [[SB-993]] | small unit switchboard. morphed into [[SB-993]] | ||
+ | |||
+ | [[File:SB-18.jpg|400px]] | ||
==References== | ==References== | ||
* SCTL JAN of 1945 | * SCTL JAN of 1945 |