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Credit
A letter to William Wilberforce, Esq. M.P. &c. &c. &c. containing remarks on a pamphlet entitled An account of the discovery of the power of mineral acid vapours to destroy contagion, by John Johnstone, M.D. Published in London, 1803 / by James Carmichael Smyth. Public Domain Mark. 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.