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From Edward Cresy   30 October 1860

Summary

Sends CD passages from A. S. Taylor’s book [On poisons in relation to medical jurisprudence and medicine, 2d ed. (1859)], citing smallest portions of poisons that are chemically detectable. "Drosera beats the chemists hollow."

Author:  Edward Cresy, Jr
Addressee:  Charles Robert Darwin
Date:  30 Oct 1860
Classmark:  DAR 58.1: 6, 58.2: 49–52
Letter no:  DCP-LETT-2968

From Edward Cresy   10 November 1860

Summary

Explains discrepancies in weights and measures caused by changes since 1836 in apothecaries’ measures.

EC has found that a discrepancy in A. W. von Hofmann’s experiments with iodine solutions resulted from an error in Hofmann’s use of decimals.

Reports S. P. Woodward’s opinion of the Origin: "a very sad book, it unsettles all one’s religious principles and the worst of it is so much of it is true".

Author:  Edward Cresy, Jr
Addressee:  Charles Robert Darwin
Date:  10 Nov 1860
Classmark:  DAR 58.1: 7, 9
Letter no:  DCP-LETT-2980
Document type
letter (2)
Author
Cresy, Edward, Jrdisabled_by_default
Addressee
Correspondent
Cresy, Edward, Jrdisabled_by_default
Darwin, C. R.disabled_by_default