Nadelgalvanometer von Siemens & Halske, um 1910Berlin, Nr. 7353, original zaponiertes Messing, Ø 14 cm, mit Stöpselbrücke, in Holzkasten. Start Price: EUR 120 Zustand: (2-3/-)Needle Galvanometer by Siemens & Halske, c. 1910Berlin, no. 7353, original lacquered brass, Ø 5 ½ in., with plug-in bridge, in wood case. Start Price: EUR 120 Condition: (2-3/-)
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A GROUP OF BALANCE SCALES AND EMPTY GLASS CASES, comprising a wooden cased saccharometer No. 4073 by Ash & Son, part of a brass Avery balance scales, a Dip circle/galvanometer (missing parts) and three wooden framed glass cases, two labelled Griffin & George Ltd and Philip Harris Ltd (6) (Condition Report: parts missing, glass cases appear in fair condition)
WORLD WAR I INTEREST: A leather cased J. Casartelli & Son of Manchester military sighting level, model number 477 with stamped broad arrow and date "1917", with a further case sighting level dated '1917', a similar example dated '1908', four cased inclinometers, a W. G. Pye & Co tangent galvanometer, and three books on workshop practice, engineering and magnetism (11)
Two English brass bulkhead ship's clocks, one Sestrel example by Henry Browne & Son Ltd, 14.5cm diameter, the other one unmarked, 23.5cm diameter; together with a Marpro brass cased aneroid barometer, 11cm diameter; a tangent galvanometer by Philip Harris & Co Ltd, Birmingham, 11cm diameter; a brass nautical compass/sundial, by F.L. West, 31 Lock Spur St, London, 7cm diameter; a lacquered brass spectroscope, by John Browning, 63 Strand, London, in leather case, 9cm when closed; an incomplete brass sextant, by Stanley G T Turnstile, London; a portable hand held inclinometer, by E R Watts & Son, London, No. 29750, in leather case; a galvanometer, by Tyer & Co, No 3438, 1941; a drawing instrument, by J Halden & Co Ltd, Manchester & London; and two boxes of photographic negatives (12) (VAT charged on hammer price) Please note that Roseberys do not guarantee working order or time keeping of any automatic, mechanical, quartz or other timepiece/instrument.Please refer to department for condition report
Farbschreiber-Telegraph von Ericsson und Zubehör1) Morseschreiber von Telefon A/B L.M. Ericsson, Stockholm, Nr. 9242, seltene Version mit 2 x 2 Magneten für 2 Morsecodes auf einem Papierstreifen, Federwerkantrieb (funktioniert) vernickeltes Gehäuse, auf Holzsockel mit Schublade, Oberseite graviert "Till W. Gripenskog 1977". - 2) Morse-Taster von Lennart Pettersson, Nr. 5692, Messing, auf Teakholzsockel. - Und: 3) 3 Galvanometer, Öller & Co., Stockholm, selten und früh; St. N.T.S. Fabrik, Kopenhagen, und L.M. Ericsson, Stockholm, Messinggehäuse. Start Price: EUR 450 Zustand: (2-3/-)Ink Writer Telegraph by L.M. Ericsson with Accessories1) Morse code writer by Telefon A/B L.M. Ericsson, Stockholm, no. 9242, rare version with 2 x 2 magnets for 2 Morse codes on one paper strip, spring drive (works) nickel-plated case, on wood base with drawer, top engraved "Till W. Gripenskog 1977". - 2) Morse key by Lennart Pettersson, no. 5692, brass, on teak base. - And: 3) 3 galvanometers, Öller & Co, Stockholm, rare and early; St. N.T.S. Fabrik, Copenhagen, and L.M. Ericsson, Stockholm, brass case. Start Price: EUR 450 Condition: (2-3/-)
Cambridge Instrument Co Ltd electrical equipment to include DC Range Box for Versatile Galvanometer, Universal Galvanometer Shunt Box, AC Range Box for Versatile Galvanometer, two Decade Resistance Boxes, Thermionic Voltmeter Moullin Pattern A, Thermionic Voltmeter Moullin Pattern C and Thermionic Voltmeter Pattern D (8)
Manual telephones - Differential Galvanometer, Telegraph works Silvertown London; a pair of key and lamp units; unusual wooden cigarette lighter,1940; etc(NB)Galvanometer- measuring a small electrical current or a function of the current by deflection of a moving coil.Key and lamp units-provides both calling and visual-engaged signals
Deutsche Telegraphenstation von Siemens & Halske, um 1900 Berlin. Farbschreiber Nr. 73386, Federwerkantrieb (funktioniert), original zaponiertes Messing, mit Galvanometer und Morsetaste, Schublade mit Papierstreifen. Start Price: EUR 280 Zustand: (2-3/2-3)German Telegraph Station by Siemens & Halske, c. 1900 Berlin. Ink-writer no. 73386, spring-driven (working), original lacquered brass, with galvanometer and Morse key, drawer with paper strip. Start Price: EUR 280 Condition: (2-3/2-3)
A Collection of Early Telegraph Test Equipment, comprising of a large portable test set by Muirhead & Co Ltd, in polished teak case with outer leather case, with internal galvanometer, equipment and original instructions, a large Phase Splitting Change over Board, by H Tinsley & Co Ltd in a French polished teak case, and an Alternating Current Watt-Hour Meter in a polished teak case by Chamberlain & Hookham, x3

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531 item(s)/page