Post Office: GEC TRANSMITTER POST OFFICE TELEPHONES, 1950's
GEC TRANSMITTER POST OFFICE TELEPHONES, 1950's
GEC ACPT21 weight 36Kg's 665mm high 2Ft 2inch long hence the two handles for lifting. ACPT= Air Cooled Pentode Transmitter.
Transmitting Valve used by Post Office Telephones.
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