Charles Batchelor's Copies of Edison's British Patents for the Electric Light

lotto/charles batchelor s copies of edison s british patents for the electric light Zw6dsyv 632684010 / In vendita

lotto/charles batchelor s copies of edison s british patents for the electric light Zw6dsyv 632684010

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lotto/charles batchelor s copies of edison s british patents for the electric light Zw6dsyv 632684010

In venditaRisultati d’asta

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Charles Batchelor's Copies of Edison's British Patents for the Electric Light

[BATCHELOR, Charles (1845–1910)] – EDISON, Thomas (1847–1931). Collection of British patents on the electric light. London: Commissioners of Patents’ Sale Department, 1879–1881. 14 rare letters patent concerning the use of electricity for light, from the collection of Charles Batchelor, Edison's principal assistant. The present archive of letters patent were issued to Edison and his London patent agents Brewer and Jensen. They document Edison’s transition from experimental innovation to commercially viable lighting systems—including generators, conductors and lamps. co-workers”, who was in charge of the Edison’s lamp factory (Israel 1998, p. 25). “Batchelor had played a key role in all of Edison’s major inventions, and Edison had grown to depend on his abilities as an experimenter, engineer, and draftsman” (Israel 2010, p. 353). Israel, Edison (1998); Edison’s Electric Light (2010). The collection comprises: Edison: “Developing Magnetism and Electric Currents, and Apparatus for Illuminating by Electricity.” No. 5306, 28 December 1878. 1 folding plate. – “Developing Electric Currents and Lighting by Electricity.” No. 4226, 23 October 1878. 5 folding plates – “Electric Lights and Apparatus for Developing Electric Currents, &c.” No. 2402, 17 June 1879. 1 folding plate (tear with partial loss to imprint) – “Electric Lamps.” No. 4576, 10 November 1879. 1 full-page plate. – “Electric Lamps, &c.” No. 5127, 15 December 1879. 1 full-page plate. – “Developing Electric Currents for Electric Lights.” No. 33, 3 January 1880. – “Electric Lamps.” No. 578, 10 February 1880. 1 folding plate. – “Utilization of Electricity for Light, Heat, and Power.” No. 602, 11 February 1880. 2 folding plate (lower third of second plate detached and laid loosely in). – “Electric Machines and Motors.” No. 1385, 5 April 1880. 1 folding plate (tear half-way down fold). Brewer: “Lighting by Electricity.” No. 4502, 7 November 1878. 1 full-page plate. – “Electric Lamps, &c.” No. 3765, 16 September 1880. 2 folding plates. Jensen: “Systems of Conductors for the Distribution of Electricity, &c.” No. 3880, 24 September 1880. 2 folding plates. – “Magneto-Electric Machines, &c.” No. 3964, 30 September 1880. 2 folding plates. – “Measuring the Amount of Electrical Current Flowing Through a Circuit.” No. 4391, 27 October 1880. 1 full-page plate. 14 parts bound together, octavo (258 × 175mm). 21 plates, many folding (leaves toned, occasional chips at edges, some tears in plates). Early half sheep over brown pebbled cloth (bumped, some scratches and stains); modern black cloth box and chemise.

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