Catalogue
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Magnetic Detector, by Marconi Company, London, Early 20th Century
Inventory Number: 18119
Date: Early 20th Century
Maker Details: Signed by Marconi's Wireless Telegraph Co. Ltd.
Inscription: "MARCONI'S WIRELESS / TELEGRAPH / CO. LTD. / NO 59773 / LONDON" printed on brass plaque upon upper exterior surface.
Size: 480 x 130 x 210 mm (base only)
Materials: Teak, brass, steel, ebonite, nickel.
Other Given Number(s): Christie's 36, 732 (white tag).
Notes:
Magnetic Detector, with ebonite, brass and steel screw tension adjustment, two pulleys. One pulley has brass hand-knob while other has nickel-plated winding crank. Two rows of four brass terminals on ebonite surfaces, each row marked "E" (Earth), "T", "T", "A" (Aerial). All mounted on teak case. Missing start knob and glass case.
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