Improvements in dental engines / [William Perry Horton].

  • Horton, William Perry.
Date:
1893
Catalogue details

Licence: Public Domain Mark

Credit: Improvements in dental engines / [William Perry Horton]. Source: Wellcome Collection.

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    Lake's Improvements in Dental Engines. upper end, an insulating tube or sleeve passing at one end into said opening and having a hand piece at its opposite end, a rotatable shaft passing through said tube or sleeve, and having a burr at one end and a pulley at its opposite end, said shaft being divided transversely and having its sections flexibly connected together, of a rotatable contact point on the rear end of said shaft, non-rotatable arm I extending 5 upwards from said standard opposite to said arm D, and having its upper end in contact with said rotatable contact point, an apparatus, for producing electricity one pole of which is connected to said non-rotatable arm, and an electrode connected with the other pole of said battery, substantially as shown and described. Dated this 15th day of June 1893. 10 HASELTINE, LAKE & Co., 45, Southampton Buildings, London, Agents for the Applicant.