Difference between revisions of "BD - Boards"

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* [[BD-55]] field, multiple, 1927, spec-71-340
 
* [[BD-55]] field, multiple, 1927, spec-71-340
 
* [[BD-56]] ?
 
* [[BD-56]] ?
* [[BD-57]] Switchboard code practice?
+
* [[BD-57]] Switchboard code practice P/O [[EE-81]], [[TG-10]]
 
* [[BD-58]] ?
 
* [[BD-58]] ?
 
* [[BD-59]]  
 
* [[BD-59]]  

Revision as of 21:57, 28 February 2014

BD / Board List

boards can be power switchboards or telephone switchboards.

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