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Direct Reading Portable Decremeter, by Marconi Company, England, 1909

Inventory Number: 19011

19011-3t 19011-1t 19011-4t 19011-2t

Date: Dated 1909

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

Inscription: "MARCONI'S WIRELESS TELEGRAPH CO. LTD. / NO 59284 / PATENT NO 185/09" etched on upper surface of tuning condenser dial.

Size: 310 x 175 x 160 mm (lid closed)

Materials: Teak, brass, ebonite, bakelite, leather.

Other Given Number(s): Christie's 135, 848 (white tag).


Direct Reading Portable Decremeter, set in ebonite surface, within lidded teak case. Includes adjustable tuning condenser with bakelite dial (scale 0-10 marked short), numerous brass terminals, and two brass and bakelite two-way pressure switches. Terminals are marked telephone, capacity, resistance, thermo junction and inductance. Partial remains of leather strap on sides of case. With associated photocopied description and usage instructions.

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