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

Inventory Number: 38737

38737-2t 38737-1t

Date: Early 20th Century

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

Inscription: "...MARCONI'S WIRELESS TELEGRAPH CO. LTD. LONDON" printed on metal plaque upon upper surface. See Documents for other inscriptions.

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

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

Other Given Number(s): Christie's 165.


'Marconi' Crystal Wavemeter Type MC2, with copper mounting for carborundum detector and Weston galvanometer, in teak case. With bakelite condenser tuning dial (scale 0-90) on ebonite surface on front of case. With nickel-plated terminals and Weston Galvanometer adjacent to mounting. Galvanometer has glass display with dial scale (-30,0,30) and insciption. With hand-written recalibration graph on side of instrument.

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