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Magnetic Key Relay, by Marconi Company, London, Early 20th Century
Inventory Number: 99331
Date: Early 20th Century
Maker Details: Signed by Marconi's Wireless Telegraph Co. Ltd.
Inscription: "MARCONI'S WIRELESS / TELEGRAPH CO. LTD. / NO. 54160 LONDON" printed on brass maker's plaque upon front surface of base. See Documents for full inscriptions.
Size: 155 mm (width) x 185 mm (length) x 130mm (height) [maximum dimensions]
Materials: Teak, brass, steel, unknown material, wood.
Other Given Number(s): Science Musuem Loan 1959-215.
Notes:
Magnetic Key Relay, with two black-painted small cylinders (of unknown material) and steel flat connectors attached to lacquered brass gallow-type mounting. In addition, cylinders have teak? upper and lower mountings. With six lacquered brass terminals mounted on upper surface of teak bease, all labelled with brass plaques. Also with brass maker's plaque.
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