Darwin Charles (1809-1882)

Darwin, Charles (1809-1882), Signed letter, January 14, 1880, one page, likely to Jabez Hogg, answering a question regarding arsenic use in medicine and referring to his grandfather, text in full: "I am glad that you are calling attention to the arsenic question. I cannot answer your question positively, but have hardly any doubt that it was my grandfather Erasmus, as my father never published on medical subjects. Dear Sir, yours faithfully", with envelope, 7 7/8 by 5 in., (small penciling lower left, minor soiling, old paper binding to left edge reverse). Small pencillings lower left, minor soiling, old paper binding to left edge reverse.