Specification of Charles Henwood : galvanic battery for medical purposes.

  • Henwood, Charles.
Date:
1858
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Charles Henwood : galvanic battery for medical purposes. Source: Wellcome Collection.

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    Galvanic Battery for Medical Purposes. LETTERS PATENT to Charles Henwood, of the City of Oxford, Engineer, for the Invention of “ An Improved Arrangement op Galvanic Battery SUITABLE POR MEDICAL PURPOSES.” Sealed the 1st June 1858, and dated the 3rd December 1857. PROVISIONAL SPECIFICATION left by the said Charles Henwood at the Office of the Commissioners of Patents, with his Petition, on the 3rd December 1857. I, Charles Henwood, of the City of Oxford, Engineer, do hereby declare 5 the nature of the said Invention for “ An Improved Arrangement op Gal vatic Battery suitable por Medical Purposes,” to be as follow.s:— I take plates of copper and zinc or of two other metals, one electro-positive and the other electro-negative to the other, and combine and arrange such plates in pairs, and unite the pairs to form a chain or belt as hereafter 10 explained. I will suppose copper and zinc to be the metals employed. I take a plate of copper, bend it at the centre and fold one half down over the other half. I cut away small portions from the fold or part where one half is doubled over the other; I then place between the two halves of the copper plate a plate of zinc covered with linen or other textile fabric to prevent