Item 115 - Letters from Augustus De Morgan

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Reference code

Add. MS a/202/115

Title

Letters from Augustus De Morgan

Date(s)

  • 19 Oct. 1849 (Creation)

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4 pp

Context area

Name of creator

Whewell, William (1794-1866), college head and writer on the history and philosophy of science
(1794-1866)

Repository

Trinity College Library, Cambridge

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Scope and content

7 Camden St. & T. - Thanks WW for his paper on curves: 'It is a clear addition to our means of expression'. ADM is surprised at 'the arcs which become negative in turning a cusp'. How does WW know that his solution is the correct one? - there 'may possibly be an infinite no. of solutions'. Sketches his pen, and describes how the ink is added at one end, and the other end is merely capillary, sees that with improvements it will mean a pen with no dipping needed, and no blots.

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