English Laboratory Induction Coil, c. 1900

English Laboratory Induction Coil, c. 1900 James Morris, Bolton. Coil length 12 in., length of the spark gap approx. 4 in., with Ruhmkorff's commutator, on polished mahogany base, size 21 x 11 in. - T

A Very Large Induction Coil, English, c.1900, unsigned the secondary coil with vulcanite separator and supported on wooden uprights, on large French polished mahogany base with brass lacquered termina

An Unusual Induction Coil, English, c.1900, engraved on the coil, 'P HARRIS & Co. Ld. BIRMINGHAM', the coil mounted on a French polished mahogany plinth base with all lacquered brass fittings and term

Laboratory Induction Coil, English, c.1950, with lable for Griffin & George, on plinth base with spark gap to front, width 32cm

English, c.1900, unsigned the secondary coil with vulcanite separator and supported on wooden uprights, on large French polished mahogany base with brass lacquered terminals, tall upright insulators t

Large "Nivoc" Laboratory Induction Coil, c. 1930 W. and J. George and Becker Limited, Birmingham and London. Coil length 13 in., length of the spark gap approx. 5 in., with Ruhmkorff's commutator, on

Large Induction Coil According to Ruhmkorff, c. 1900 No. 7934, manufactured by Fr. Klingelfuss & Co., Basel. Coil length 16 ½ in., Ø 8 ¾ in., on walnut base. Großer Funkeninduktor nach Ruhmkorff,

A Large Induction Coil, English, c.1890, with plaque for 'F. E. BECKER & CO 33-37 HATTON WALL LONDON', on a large French polished mahogany plinth base with Ruhmkorff switch large adjustable interrupte

Slaby-Arco System Radiotelegraph Transmitter, c. 1900 AEG, Berlin. No. 30, consisting of 2 Leyden bottles, setting coil, induction coil and Morse key, on walnut base with surface capacitor in the lowe

French Experimental "Electricity" Kit, c. 1900 Coffret Electricité, consisting of 2 chromic acid elements, 2 vials for chromic acid, a Rühmkorff induction coil, an electric motor, 2 Geissler

Wall Telephones and Telephone Parts, c. 1900 1) Wall telephone by J. Berliner, Hanover, no. 23, with induction coil, no earphone. - 2) Belgian wall telephone, handset with horn, marked "Compagnie des

'Electrotherapeutical Devices, Physical Instruments and More, c. 1900-20 1) Appareil d'Induction Volta Faradique, manufacturer A. Gaiffe à Paris, with induction coil, acid battery and accessories in

12 Precision Measuring Instruments, c. 1870-1900 1) Kohlrausch's universal bridge, no. 1822, Hartmann & Braun, with comparative resistors from 0.1 to 1000 ohms, induction coil and slide resistor, on m

English, c.1900, engraved 'BELLINGHAM & STANLEY Ltd, Ltd LONDON' standing on a large cast iron base with cast iron upright supports, with large micrometer adjustment to rotation, brass lacquered tube

Half Plate Brass & Mahogany Sanderson Camera Outfit With Provenance, English, c.1900, the camera signed 'The Sanderson H. Ltd, London' and 'Regular Model' of standard Sanderson Field Camera form with

An Edward and Roberts Neoclassical revival desk. English. c.1900. Kneehole desk having central mirrored back with two drawers and gallery on either side on top of stamped blonde leather writing surfac

Lot of (13) English c. 1900 Flow Blue Plates, "Nonpareil" pattern, incl: (9) Dinner plates, 9 5/8" diam.; and (4) Salad plates, 7 3/4" diam. Foot ring glaze flakes to one plate, otherwise good conditi

English, c.1900, the lucida constructed of lacquered & black brass with a screw table clamp, steadying rod, two drawer support rod with rack and pinion focusing, viewing prism with shade and double fi

English, c.1900, the French polished mahogany case with engraved brass plaque that reads 'DECIMAL GRAIN WEIGHTS, LANCASHIRE COUNTY COUNCIL, HIGHER BLACKBURN DIVISION DE GRAVE & Co Ltd LONDON' each wei

English, c.1900, plaque to the rear marked 'W. C. HUGHES BREWSTER HOUSE, KINGSLAND, LONDON N.' constructed of chrome plated brass on a steel tray, 24cm long and another simial but with no plaque

English, c.1900, unsigned, constructed of brass plate with water reservoir, gas tap to the bottom, 55cm tall

English, c.1900, unsigned but the Watson Fram model, with unusual black glass polarising mirror, mechanical stage engraved 'Watson & Sons', triple nosepiece with three objectives in an associated maho

English, c.1900, with remains of Thornton Pickard transfer label, constructed of French polished mahogany with all lacquered brass fittings, rack and pinion focusing interocular adjustment

English, c.1900, hide bound with strap and brass -framed lock, the contents suggesting professional rather than domestic use (included drugs for hypodermic injection), 12 bottles with faceted ground g