A view of the Perkinean electricity, [electronic resource] : or, an enquiry into the influence of metallic tractors, founded on a newly-discovered principle in nature, and employed as a remedy in many painful inflammatory diseases, as Rheumatism, Gout, Quinsy, Pleurisy, Tumefactions, Scalds, Burns, and a Variety of other Topical Complaints: with a review of Mr. Perkins's late pamphlet on the subject to which is added, an appendix, Containing A Variety of Experiments, made in London, Bath, Bristol, &c. with a View of ascertaining the Efficacy of this Practice. By Charles Cunningham Langworthy, Surgeon, of Bath.