A GPO standard
"B" gauge plug used on most later manual switchboards. All metal
parts are Brass.
PLUG No. 316
A GPO standard
"B" gauge plug used on most later manual switchboards. All metal
parts are Brass.
Drawing No. 60183.
Spec No. D571.
Supplied by:-
Ericsson Telephones Ltd
Phoenix Telephones Ltd
Telephone Manufacturing Co. Ltd
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