[ Mathematics; Fermat's ] Four substantial Autograph Letters Signed and one APC Signed "J.M. Child" to "Sir Richard [Harington]", on mathematical themes including Fermat's.

J.M. Child, Mathematician [James Mark Child; History of Mathematics ]
Publication details: 
Camford, Llandulais, North Wales.,10 February to 15 November 1947.

Five letters and a postcard, two letters 8vo (total 4pp.), three 4to (total 17 pages), fold marks, good condition. LETTER ONE (6pp., 4to,, 10 Feb.) He starts, "You've done it!!! | I told you that one of your ideas would bear fruit one of these days, and it was a mistaken statement, at least one I think is mistaken, that set me off on a new track which led to success.

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