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Variometer And Sliding Capacitor, by Marconi Company, London, Early 20th Century

Inventory Number: 44318

44318-2t 44318-1t

Date: Early 20th Century

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

Inscription: "MARCONI'S WIRELESS / TELEGRAPH CO LTD / NO 73377 LONDON" on metal plaque on upper surface of base.

Size: 200 mm in length

Materials: Teak, copper, ebonite, nickel, steel.

Other Given Number(s): Christie's 183.


Variometer And Sliding Capacitor, in varnished teak frame. Variometer in horizonral cylinder, wrapped in copper wire. With two nickel-plated terminals on top of cylinder, and copper knob on side. With two ebonite side panels mounted at a angle on frame, with sliding ebonite scale (scale 0-6) on one ebonite panel and four nickel-plated terminals on other ebonite panel. With sliding capacitor mounted on top of frame.

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