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Bo-Third Rail No D75S

Bo-Third Rail No D75S

1898
Siemens Neophone telephone, 1929

Siemens Neophone telephone, 1929

1929
Loaded submarine telegraph cable, 1926

Loaded submarine telegraph cable, 1926

1926
Cable grappling illustration, 1874-1924

Cable grappling illustration, 1874-1924

1874-1924
Non-loaded earth core Pacific cable, 1926

Non-loaded earth core Pacific cable, 1926

1926
Continuously loaded transmission core Pacific cable, 1926

Continuously loaded transmission core Pacific cable, 1926

1926
Siemens Morse inker, 1862

Siemens Morse inker, 1862

1862
Induction coil with electrodes for electrotherapy, England, 1900-1910

Induction coil with electrodes for electrotherapy, England, 1900-1910

1900-1910
Two shore-end cable samples and telegraph recorder tape, 1926

Two shore-end cable samples and telegraph recorder tape, 1926

1926
Pivoted Electrical Temperature Indicator, 1925-29

Pivoted Electrical Temperature Indicator, 1925-29

1925-1929
Telephone operator’s breastplate transmitter and headset

Telephone operator’s breastplate transmitter and headset

1930-1960
Thermo-Electric Thermocouple (Electrical Temperature Sensor), 1920-22

Thermo-Electric Thermocouple (Electrical Temperature Sensor), 1920-22

1920-1922
Sample of loading coil for Dover - Cap Grisnez submarine telephone cable, 1910

Sample of loading coil for Dover - Cap Grisnez submarine telephone cable, 1910

1910
Siemens Pyrometer Sensor, 1890

Siemens Pyrometer Sensor, 1890

1890
Suspended Coil Temperature Indicator

Suspended Coil Temperature Indicator

1920-1922
Suspended moving magnet galvanometer of Siemens manufacture

Suspended moving magnet galvanometer of Siemens manufacture

Paper Temperature Recorder, Galvanometer Type, 1901-22

Paper Temperature Recorder, Galvanometer Type, 1901-22

1901-1922
Pivoted Coil Electrical Temperature Indicator, 1920-22

Pivoted Coil Electrical Temperature Indicator, 1920-22

1920-1922
Electrostatic voltmeter, no. 37

Electrostatic voltmeter, no. 37

Raworth's patent ammeter (510 amps)

Raworth's patent ammeter (510 amps)

1888
Case for sectioned water pyrometer with thermometer scale centigrade iron by Siemens Brothers & Co. Limited

Case for sectioned water pyrometer with thermometer scale centigrade iron by Siemens Brothers & Co. Limited

1905
Dry cell battery, current meter and headphones

Dry cell battery, current meter and headphones

1913
Sectioned Water Pyrometer by Siemens Bros. Ltd., 1905

Sectioned Water Pyrometer by Siemens Bros. Ltd., 1905

1905
Sample of Pupin loading coil for Dover - Cap Grisnez submarine telephone cable, probably made by Siemens Brothers and Company Limited, Woolwich, London, England, 1910

Sample of loading coil for Dover - Cap Grisnez submarine telephone cable, 1910

1910
K.I. Electric motor with fan by Siemen Bros. & Co., London, operating at 90 volts and rated 1/10 hp.

Electric Fan, Siemens Bros. & Co., London, 1880-1889

1880-1889
Fullerphone Office Mk I*, made by Siemens Brothers & Co Ltd, serial number 1628, British, 1916 (ebonite base of relay broken)

Fullerphone Office Mk I*, 1915

1915
Agreement, 20 Oct 1882, between Siemens Brothers and Company Limited, 12 Queen Anne's Gate, and The London and Saint Katharine Dock Company, 'for lighting the Sheds on the South side of the Royal Albert Dock by Electricity'. With attached 'plan showing electric light stations & poles'.

Agreement, 20 Oct 1882

1882
Original Stohrer magneto-electric machine, No. 4458, 1846. Maker's mark engraved on brass ring on top of coils.

Original Stohrer magneto-electric machine

1846
Meter with light-bulb indicator for the Hopkinson-Thring torsion meter, by Siemens Bros. and Co., London, 1906-1912

Hopkinson-Thring Torsionmeter suitable for shafts 5" to 8"

1906-1912
Memorandum of Agreement, 28 Oct 1885, between Siemens Brothers and Co. Limited and The Ryde Pier Company, re the working of the Ryde Pier Tramway by electricity. [3p. on 1 folded leaf]

Memorandum of Agreement

1885
Agreement, 24 Dec 1881, between Ernst Werner Siemens, Charles William Siemens & Carl Heinrich Siemens [Siemens Brothers] of 12 Queen Anne's Gate, Siemens Brothers & Co. Ltd. of 12 Queen Anne's Gate, and The London and Saint Katharine Docks Company, re the electric lighting of the Royal Albert Dock and maintenance of boilers, engines, machinery, masts, lanterns, lamps. With attached 'plan shewing position of electric lighting poles and engine houses'.

Agreement, 24 Dec 1881

1881
Magneto-electric machine, No. 1706A, c.1860, by Siemens Brothers & Company, London. Ornate painted decorations in burgundy and gold, but paint is in poor condition.

Magneto-electric machine

1860
Original Stohrer magneto-electric machine, No. 4458, 1846. Maker's mark engraved on brass ring on top of coils.

Original Stohrer magneto-electric machine

1846
Glass sheath, broken, for electric pyrometer voltameter and Leclanche battery, by Siemens Brothers, London, 1871-1885.

Glass sheath

1871-1885
Reciprocating type impulse machine for driving director senders, from Deptford (TIDeway) telephone exchange, made by Siemens Brothers & Co Ltd, Woolwich, London, 1937

Reciprocating type impulse machine for driving director senders

1937
Drawing of Hopkinson-Thring patent Torsionmeter by Siemens Brothers and Company Limited, London, England, 1906-1912

Drawing of Hopkinson-Thring Torsionmeter

1906-1912
Hopkinson-Thring Torsionmeter consisting of a long sleeve casting and short collar casting clamped to a model wood shaft, used to measure torque, patented by Bertram Hopkins and Leonard Godfrey Pinney Thring in 1906, and made by Siemens Bros. and Co., London, 1906-1912

Hopkinson-Thring Torsionmeter suitable for shafts 5" to 8"

1906-1912
Sectioned water pyrometer with thermometer scale centigrade iron, with case, by Siemens Brothers & Co. Limited, London, 1905

Sectioned water pyrometer with scale and case

1905
Loose screw from Stohrer magneto-electric machine, No. 4458, 1846.

Original Stohrer magneto-electric machine

1846
Electric pyrometer voltameter, with Leclanche battery, probe fitted with glass tip, separate iron tip, and glass sheath all by Siemens Brothers & Co. Limited , London, England, 1871-1885.

Siemens' Electrical Pyrometer, 1871-1885

1871-1885
Director unit comprising BC selector and translation field, from Deptford (TIDeway) telephone exchange, made by Siemens Brothers & Co Ltd, Woolwich, London, 1937

Director unit comprising BC selector and translation field

1937
Director unit comprising called number storage uniselectors, control uniselector, sending uniselector and relay set, from Deptford (TIDeway) telephone exchange, made by Siemens Brothers & Co Ltd, Woolwich, London, 1937

Director unit comprising called number storage uniselectors

1937
Illustrated volume entitled 'Cable Equipment for the North Eastern Railway Electrification', a description of extra high tension mains, telephone, pilot & lighting cables manufactured & laid by Siemens Brothers & Co., Limited, July 1904.

Cable Equipment for the North Eastern Railway Electrification

1904