Description: HATCHETT, Charles. Autograph Letter Signed, to Dr. Pulteney, sending mineral specimens for his collection, discussing an examination of “the Copper Ore from Cooks Kitchen Mine in Cornwall”, with a full description of his experiments.4 pp. 9 x 7 inches, with the address panel, in good condition, seal tear only.Hammersmith, 10 December 1794. Uncommon. A fine scientific letter by Charles Hatchett (1765-1847), the English chemist who discovered the element niobium. In 1801 while working for the British Museum in London, Hatchett analysed a piece of columbite in the museum's collection. Columbite turned out to be a very complex mineral, and Hatchett discovered that it contained a "new earth" which implied the existence of a new element. Hatchett called this new element columbium (Cb). On 26 November of that year he announced his discovery before the Royal Society. The element was later rediscovered and renamed niobium. Richard Pulteney (1730-1801), botanist, conchologist and doctor, bequeathed his museum of shells and minerals, and his herbarium, to the Linnnean Society. He was the author of A General View of the Writings of Linnaeus (1781), which was translated into French by L.A.Millin de Grandmaison (Paris, 1789). His other works included Historical and Biographical Sketches of the Progress of Botany in England (1790), and various provincial botanical catalogues.
Price: 200 GBP
Location: London
End Time: 2024-11-26T18:08:53.000Z
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