A view of the Perkinean electricity, or, an inquiry into the influence of metallic tractors founded on a newly-discovered principle in nature, and employed as a remedy in many painful inflammatory diseases ... : with a review [from Bristol Mercury, May 21st, 1798] of Mr. Perkins's late pamphlet on the subject; to which is added, an appendix, containing a variety of experiments. ... / by Charles Cunningham Langworthy.

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A view of the Perkinean electricity, or, an inquiry into the influence of metallic tractors founded on a newly-discovered principle in nature, and employed as a remedy in many painful inflammatory diseases ... : with a review [from Bristol Mercury, May 21st, 1798] of Mr. Perkins's late pamphlet on the subject; to which is added, an appendix, containing a variety of experiments. ... / by Charles Cunningham Langworthy. Public Domain Mark. Source: Wellcome Collection.