SCIENCE - BABBAGE Charles (1791 - 1871) - Autograph letter signed

Autograph let…

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SCIENCE - BABBAGE Charles (1791 - 1871) - Autograph letter signed Autograph letter signed, dated “8 June” by the English polymath. A mathematician, philosopher, inventor and mechanical engineer. He is credited with inventing the first mechanical computer, the Difference Engine, that eventually led to more complex electronic designs, though all the essential ideas of modern computers are to be found in his Analytical Engine, programmed using a principle openly borrowed from the Jacquard loom. Babbage addresses a gentleman in third person: “Mr. Babbage regrets that a previous engagement will deprive him of the honour of dining with Sir W. & Miss Keir…”. 1 p. In-16. - This item is under temporary import. If the item is delivered within the United Kingdom, it will be subject to a 5% Value Added Tax (VAT) on the hammer price.

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SCIENCE - BABBAGE Charles (1791 - 1871) - Autograph letter s

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Estim. 15 - 20 GBP

VOIDEL (Charles). Rapport de l'affaire de M. de Bussy. Paris, Imprimerie Nationale, 1791. In-8, green marbled paper boards, red title page, untrimmed (modern binding). Report read before the Assemblée Nationale on January 8, 1791, on behalf of the Comité des Recherches, created in July 1789 to examine the numerous complaints and denunciations addressed to the Assembly. The report concludes that the men arrested with Sieur Mignot, known as de Bussy, and accused of plotting in connection with Condé's army, should be "set at liberty, & that all their effects be respectively returned to them". A good copy.

Charles Casanova (1871-1950) Timur Mambet - Via Crociferi, 2006 cm 46x54 Oil on plywood Signed and dated lower left

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Charles Aldrigde (goldsmith received master in 1786). Pair of George III period navette-shaped salerons on pedestal. Molded silver, goldsmith's hallmark and London hallmark dated 1791. Length: 15cm. Two silver salt spoons. Total weight : 220 g. Condition : Very good.

Estim. 6 000 - 8 000 GBP

Charles Babbage Autograph Letter Signed About Translating On the Economy of Machinery and Manufactures Pioneering British mathematician and mechanical engineer (1791-1871) whose Difference Engine and Analytical Engine are generally acknowledged as the first programmable computers. ALS signed “C. Babbage,” one page, 4.25 x 7, February 23, 1836. Handwritten letter to writer and biographer Maria Teresa Lister, in part: "Many thanks dear Mrs. Lister for the valuable information your brother so kindly and so immediately procured for me—The translator of the Economy into Spanish backed by his own government ought to have got it and failed. I conclude therefore it required steady energy which is one of the bright points of the English and apparently not of the Spanish character. If I am right in my interpretation, they have adopted a very curious arithmetic informing their list of prices and if their other plans resembles this I am not surprised at their giving up the concern. Pray convey my best thanks to Sir George Villiers." In fine condition. The recipient of the letter was Maria Teresa Lister (née Villiers, 1803-1865), a British writer and biographer. The brother referred to was George Villiers, 4th Earl of Clarendon (1800-1870), an English diplomat and statesman. In 1833 he had been appointed minister at the Court of Spain. Babbage is clearly referring to his work On the Economy of Machinery and Manufactures. The work was first published in 1832 and established Babbage as an expert in political economy. It was first published in Spanish in 1835 from the third English edition, the translation and notes by José Diez Imbrechts.

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