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Credit
An essay explanatory of the tempest prognosticator in the building of the Great Exhibition for the Works of Industry of All Nations : read before the Whitby Philosophical Society, February 27th, 1851 / by George Merryweather. Public Domain Mark. Source: Wellcome Collection.
Provider
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.