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Credit
A letter to Dr. Lyon Playfair, C.B. F.R.S., being a medical commentary on the results of the recent analysis of the Buxton tepid water : to which are appended a statement of the improvements now in progress at Buxton and Dr. Playfair's analytical report / by William Henry Robertson. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.