Galton (Sir Francis) 2 Autograph Letters signed and 1 Autograph Postcard

Galton (Sir Francis, biostatistician, human geneticist, and eugenicist, 1822-1911) 2 Autograph Letters signed and 1 Autograph Postcard signed to James Douglas Hamilton Dickson, 4pp. & 1 side & 2 envelopes, 8vo & 74 x 121mm., 20th May 1885, 7th January 1886 & 15th January 1886, relating to his work on regression, sending a correction, "Since posting my letter, it has occurred to me that one phrase in it was awkwardly put & might not be understood" and with new calculations, and on the publication of his paper on correlation, "It is just fixed the 'Family Likeness in Stature' paper is to come in on Jan 21st... I wonder if it would be agreeable to you to come up for it, & to dine after as my guest at the Royal Soc[ieties] Club", folds (5 pieces). *** James Douglas Hamilton Dickson (1849-1931), mathematician.

Utropspris:3 971,50 SEK

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