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Inventory no. 87378 - Former Display Label

MARCONIPHONE 'REGENERATOR' UNIT
c.1924

Signed: "MARCONIPHONE TYPE R. B. I. B."
Plug-in ebonite box (113mm x 81mm x 21mm) for Type V2A Marconiphone receiver. Contains a helical coil and a flat coil with flat sliding copper disc moved by means of a nickel-plated lever. Unit for selectivity and volume for wavelengths 300-500 metres, and is used in conjunction with the shown spare aerial unit.

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