headphones; wireless

Maker
British Thomson-Houston Co Ltd
Description
Wireless headphones made of brown bakelite, steel, and leather. The moulding on the back reads "B.T.H. (in circle) BBC (in circle) PATENT No 199 678".
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Object detail

Department
Object
Maker
Signature & date
stamping:side:"B.T.H. (in circle) BBC (in circle) PATENT No 199 678"
Measurement type, part and reading
Dimensions:ear piece:Dia 5.9cm (Dia 2 5/16")
Accession number
1987-117-001/002

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