rca-gb: FM-Receiver for wired broadcast system

British Relay, one of the early cable network operators in the UK, installed these receivers in the racks of their distribution centres. They were apparently used to receive on-air FM radio programs before they were broadcast over the speaker level cable network.

See the YouTube video clip "British Relay Television By Wire - Early Pay TV and Cable Television in the UK 1960s" at 10:07:51:02

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