5 Induction Coils, 1900 onwards

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

3 Induction Coils and 5 Leyden Jars 1) 10 ½ in. induction coil by Griffin & George, Great Britain. With commutator and spark gap, on mahogany base, 18 x 11 in. - 2) 6-inch induction coil, unmarked, w

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,

6 Bicycle Lamps, 1900 onwards 1 candle lamp and 5 carbide lamps, manufactured by: Luxor, Solar, Panther and Miller. – In addition: 1 German trainman lamp. 6 Fahrradlampen, ab 1900 1 Lampe mit Kerzen

Large Induction Coil According to Ruhmkorff, c. 1910 Manufactured by AEG, Berlin. For spark length up to 10 in., overall size 34 x 10 5/8 x 18 ¼ in., good original condition. Großer Funkeninduktor n

Early Wall Telephone by L.M. Ericsson, 1890 onwards Stockholm, model 325, fixed carbon microphone, Bell-type handset, 4-part induction coil, double bell, lightning protection, ornate walnut case, writ

Early Wall Telephone by L.M. Ericsson, 1890 onwards Stockholm, model 301, fixed carbon microphone, Bell-type handset, 3-part induction coil, double bell, lightning protection, ornate walnut case, one

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

Large Induction Coil with Mercury Interrupter, c. 1910 Coil length 19 5/8 in., spark length up to 9 7/8 in., on wood base, size 32 1/3 x 14 1/5 in. An impressive exhibition item! Großer Funkenindukto

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

Early Wall Telephone by L.M. Ericsson, 1890 onwards Stockholm, model 301, fixed carbon microphone, Bell-type handset, 3-part induction coil, double bell, lightning protection, ornate walnut case, writ

Early Wall Telephone by L.M. Ericsson, 1890 onwards Stockholm, model 301, fixed carbon microphone, Bell-type handset, 3-part induction coil, double bell, lightning protection, ornate walnut case, writ

Large Induction Coil According to Ruhmkorff, c. 1910 Manufactured by Siemens & Halske. For spark length up to 6 in., with commutator, length of the coil 15 2/5 in., overall size 30 x 10 5/8 x 16 ½ in

'Large Induction Coil by Siemens & Halske, c. 1910 For "Gesellschaft für drahtlose Telegraphie", type RF ms2, 17 ¾ x 9 7/8 x 11 2/5 in. 'Großer Funkeninduktor von Siemens & Halske, um 1910 Für "Ge

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

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

'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

An interesting miniature open coil motor, nice original condition with original decal, cast iron and brass on a wood base, unsigned. Measures 3.5 x 525 x 4.75 inches. We happily provide seamless in-ho

circa 1900, mahogany case, silverplate face, coil chime and four rod strike, with pendulum. 13.5 x 10.5 x 7 in. Private Estate, Fearrington Village, North Carolina. All proceeds from the sale of this

Small Morse Telegraph with Key, c. 1900 Ink-writer, unmarked, original lacquered brass, spring-drive (working), coil with signal bell, on mahogany base, 10 x 5 in., with separate Morse key. Kleiner Mo

Skeleton Telephone of the Hungarian Telegraph Administration, 1900 onwards Telefonfabrik AG, Budapest, and Ericsson/Deckert & Homolka. No. 7924, handset with speaking horn, transverse cradle, change-o