A KB Model BM20T/1 mains reciever,

细节
A KB Model BM20T/1 mains reciever,
in green bakelite case with all-round louvres above linear tuning scale, with three black knobs -- 12½in.(32cm.) wide
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The front half of the case is mottled green, the back half plain green; it seems originally to have been sold with an ivory painted finish, which has now been removed.

The dial has Medium and two Short wavebands.