DARWIN, Charles (1809-1882). Naturalist.
Letter Signed (text in the hand of Emma Darwin) with autograph postscript [to William Walmisley] Baxter (d.1900), 4 pages 8vo, Down, Beckenham, 4 September 1873. A good scientific letter to a chemist in Bromley, ordering salts which he is ashamed to buy from Hopkins and Williams, who charge him 'such an extremely low rate'
Darwin continues with futher scientific detail, adding that 'my knowledge of chemistry is 40 yrs old', and in the postscript urging speed 'as I am anxious to finish my work'.
See The Calendar of the correspondence, where the present letter appears as number 9042. The original appears to be as yet unpublished.
The image is of the third page only.