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Marconi Sykes Microphone, by Marconi Company, London, c. 1923

Inventory Number: 79721

79721-1t 79721-2t


Date: c. 1923

Maker Details: Signed by Marconi's Wireless Telegraph Co. Ltd.

Inscription: "MARCONI'S WIRELESS / TELEGRAPH CO LTD / No 303286 LONDON" printed on brass plaque upon exterior surface of cylinder side. See Documents for other inscriptions.

Size: 140 mm (in diameter) x 125 mm (in height)

Materials: Iron, ebonite, brass, nickel.

Other Given Number(s): Christie's 69, 808 (white tag).


Notes:

Marconi Sykes Microphone, in japanned cylindrical iron casing with ebonite terminal blocks for magnet and moving coils (coloured red and black respectively). With lacquered brass terminals upon coil blocks. With nickel-plated base with seven screws and reveals wire sections of coil. Originally a component of Marconi Sykes Magneto Microphone Type MGI.


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