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Ralph Wedgwood (1766–1837) was an English inventor and member of the Wedgwood family of potters. His most notable invention was the earliest form of carbon paper, a method of creating duplicate paper documents, which he called "stylographic writer" or Noctograph. He obtained a patent for the invention in 1806.
Ralph Wedgwood obtained the first patent for carbon paper in 1806. [2] Carbon paper in its original form was paper coated on one side with a layer of a loosely bound dry ink or pigmented coating, bound with wax. The manufacture of carbon paper was formerly the largest consumer of montan wax. In 1954 the Columbia Ribbon & Carbon Manufacturing ...
In 1801, Pellegrino Turri, an Italian inventor, invented carbon paper to provide the ink for his mechanical typing machine, one of the first typewriters." [3] Ralph Wedgwood obtained the first patent for carbon paper in 1806. [4] Wedgwood's technique was then continuously perfected.
Sir Ralph Wedgwood, 4th Baronet This page was last edited on 14 March 2024, at 00:37 (UTC). Text is available under the Creative Commons ...
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Wedgwood works primarily on topics in ethics (including meta-ethics, practical reason, normative ethics, and the history of ethics) and epistemology. [3] He is the author of The Nature of Normativity (Oxford: Clarendon Press, 2007), and numerous papers on philosophy and ethics, including the oft-cited paper The Fundamental Argument for Same-Sex Marriage, [4] which argues for the legitimacy of ...
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