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In
February 1845 Starr and a business associate, Edward Augustin King (d.1863), set out for England to secure British and French patents for the invention. King described the construction and use of a lamp in September 1845, and British patent No. 10,919 was granted to him on November 4, 1845. The
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of the time could not provide the high vacuum needed to operate a carbon emitter for a practical duration. The construction of Starr's carbon lamp allowed the strip to be replaced when it failed, making the lamp renewable.
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Starr and his associates demonstrated the two types of lamp in
England, including a multi-branched lamp with a bulb to represent each of the twenty-six states then part of the United States. However, Starr had contracted
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After Starr's death, King and
Saunders returned to the United States. It appears neither King nor Saunders could continue developing the lamp without Starr's knowledge. King later was killed while serving in the
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in 1877. As a consequence, none of Starr's partners were available for testimony in the
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strip held between two clamps was enclosed in a vacuum in the space above a column of
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In 1844, in association with John Milton
Sanders (1821?–1877?), he filed a U.S.
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194:(Summer 1976). "J.W. Starr: Cincinnati's Forgotten Genius".
222:. Retrieved from Frognet.net website, 8 March 2010.
141:), and died on November 21, 1846. He was buried in
66:(1822? – November 21, 1846) was an American
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101:patent described two styles of lamp. In one, a
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162:. Sanders travelled extensively but left for
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196:Cincinnati Historical Society Bulletin
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336:Discovery and invention controversies
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235:. Jewellery Quarter Research Trust
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112:. In the second type, a
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213:John Wellington Starr
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218:2016-10-10 at the
160:American Civil War
153:Later developments
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82:Starr was born in
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192:Wrege, Charles D.
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135:tuberculosis
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31:lead section
321:1856 deaths
310:Categories
239:2018-08-01
202:: 102–120.
178:References
147:Birmingham
84:Cincinnati
122:barometer
95:generator
36:summarize
216:Archived
168:lawsuits
103:platinum
68:inventor
118:mercury
114:carbon
110:vacuum
106:strip
267:stub
78:Life
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