Remarks on arsenic, considered as a poison and a medicine : to which are added five cases of recovery from the poisonous effects of arsenic, together with the tests so successfully employed for detecting the white metallic oxide, in which those satisfactory methods peculiar to Mr. Hume, were principally adopted, confirmed, and compared with others formerly in use / by John Marshall.

  • Marshall, John, Apothecary to H.R.H. the Duke of Gloucesters household.
Date:
1817
Catalogue details

Licence: Public Domain Mark

Credit: Remarks on arsenic, considered as a poison and a medicine : to which are added five cases of recovery from the poisonous effects of arsenic, together with the tests so successfully employed for detecting the white metallic oxide, in which those satisfactory methods peculiar to Mr. Hume, were principally adopted, confirmed, and compared with others formerly in use / by John Marshall. Source: Wellcome Collection.

Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.

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    ness, the common white oxide of the shops, is the general species of this poisonous metal in use, being the only form popularly known as a deadly poison. From the lamented facility of obtaining this article, as well as its cheapness, some plausible excuse is always readily made by the purchaser, if inter- rogated, although intended for the horrid purpose, either of premeditated murder or suicide. \ But, with a view to be still more satisfied, and to place the nature of this powder beyond the reach of doubt—feeling it, as I did, a duty of the highest importance to be fully prepared on the then ap- proaching trial of Eliza Penning, and having read of Mr. Hume’s Very accurate and infallible tests for the detection of this mineral substance, I waited . upon that gentleman with the arsenic, who most obligingly and readily submitted it to his very su- perior tests and experiments, which Mr. H. found out many years ago.* He has published several trecitises on the subject, in the monthly journals; * 1 have since been informed b}' Mr. Hume, that he discovered the lest by means of si'vcr in tlie year 1789, although he did not at that time know its re d value.