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'Marconi' Crystal Wavemeter Type MC2, by Marconi Company, London, Early 20th Century

Inventory Number: 46042

46042-2t 46042-1t

Date: Early 20th Century

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

Inscription: "'MARCONI' / WAVEMETER / TYPE MC2 P.S. NO 2209A / INST. NO. 388277 MARCONI'S WIRELESS TELEGRAPH CO. LTD. LONDON" printed on metal plaque upside down on rear. See Documents for other inscriptions.

Size: 170 x 170 x 170 mm (excluding dial and mounting)

Materials: Nickel, steel, glass, ebonite, bakelite, teak.

Other Given Number(s): Christie's 222, 839 (white tag), Science Museum Loan 1936-276.


'Marconi' Wavemeter Type MC2, with Condenser (capacitance 0.003 MFD), steel mounting for carborundum detector and Weston galvanometer, in teak case. With bakelite condenser tuning dial (scale 0-90) on ebonite surface upon upper surface of case. With nickel-plated terminals and Weston Galvanometer adjacent to mounting. Galvanometer has glass display with dial scale (-30,0,30) and inscription.

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