Specification of Francis Robert Hoghton : instrument for treating deafness, &c.

  • Hoghton, Francis Robert.
Date:
1874
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Francis Robert Hoghton : instrument for treating deafness, &c. Source: Wellcome Collection.

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    Provisional Hoghton s Improved Instrument for Treating Deafness, 8fC, The zinc tube is inserted concentrically within the outer or copper tube or vice versa, and a space is left between the two tubes, which space is to be tilled with an acid or other suitable solution, as an exciting fluid for generating an electro-galvanic action in the instrument or appliance. A concave disc or shield is secured to the outer end of the outer tube 5 for the purpose of preventing the instrument (which is intended to be inserted into the ear so as to communicate with the membrane of the drum) from entering too far therein. The advantages of this instrument are that it occupies but little space, its construction and action is simple and efficient, and most effectual in 10 its results, not only conveying sound to the drum, but also keeping up a continual galvanic and curative action. SPECIFICATION in pursuance of the conditions of the Letters Patent, filed by the said Prancis Robert Hoghton in the Great Seal Patent Office on the 7th January 1871. 15 TO ALL TO WHOM THESE PRESENTS SHALL COME, I, Prancis Robert Hoghton, of No. 2, Onslow Villas, Richmond, in the County of Surrey, Surgeon Aurist, send greeting. WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters Patent, bearing date the Seventh day of July, in the year of 20 our Lord One thousand eight hundred and seventy-three, in the 37th year of Her reign, did, for Herself, Her heirs and successors, give and grant unto me, the said Prancis Robert Hoghton,... Her special license that I, the said Prancis Robert Hoghton, my executors, administrators, and assigns, or such others as I, the said Prancis Robert 25 Hoghton, my executors, administrators, or assigns, should at any time agree with, and no others, from time to time and at all times thereafter during the term therein expressed, should and lawfully might make, use, exercise, and vend, within the United Kingdom of Great Britain and Ireland, the Channel Islands, and Isle of Man, an Invention 30 for “An Improved Instrument oe Appliance for Treating and Curing Deafness and Noises in the Head,” upon the condition (amongst others) that I, the said Prancis Robert Hoghton, my executors or adminis-