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WALSH, JOHN. Of the Electrical Property of the Torpedo. In a Letter . . . to Benjamin Franklin, Esq. * HUNTER, JOHN. Anatomical Observations on the Torpedo. Extracts from Philosophical Transactions, Volume 63, pages 461-80 and 481-89, respectively, each with folding engraved plate (heavily offsetting onto facing pages); bound in one volume. 4to, modern 1/4 cloth. [London, 1763; 1763]
first editions. Walsh's paper gave the first accurate observation of the electrical property of the torpedo fish; Hunter's dealt with the peculiarities of its anatomy. Garrison-Morton 589 (first work).
