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Framed Marconi Order Slip, by Marconi Company, London, 1922
Inventory Number: 14183
Number of documents: 1
Document Type: Miscellaneous Note
Document Heading: Manufacturer Details
Text:
After World War I, the Marconi Company began producing non-industrial receivers, principally for the amateur market, at the Soho premises of The Marconi Scientific Instrument Company. In 1922, the Marconi Company formed the 'Marconiphone' department, to manufacture and sell domestic receiving equipment. This equipment complied with Post Office specifications and tests, and was therefore awarded the BBC authorisation stamp; initially sets were made at the Chelmsford Works. In December 1923, the 'Marconiphone' department was formed as a subsidiary of the Marconi Company. Some Marconiphone Company sets were made at the Sterling Telephone Company (STC) Works at Dagenham. However, design and research of these domestic receivers still continued at Chelmsford.
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