Specification of James Clarkson : securing artificial teeth.

  • Clarkson, James
Date:
1874
Catalogue details

Licence: Public Domain Mark

Credit: Specification of James Clarkson : securing artificial teeth. Source: Wellcome Collection.

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    Provisional Specification. A.D. 1873.—N° 3964. 3 Clarkson’s Improvements in Securing Artificial Teeth. and solidity than can be secured by the old methods; and by reason of the fastenings being secured to the sides of the teeth, the back part and consequently the grinding surface of a mineral tooth can in all cases be made an exact imitation of a natural tooth. Also in consequence of the 5 teeth being so fastened or connected together a plate may in many cases be entirely dispensed with, thus lessening the cost and rendering artificial teeth less cumbersome in the mouth. And further in cases where a frame or plate cannot be dispensed with, it may be made thinner than is now the practice, corresponding strength 10 and security being attained by the union of the teeth according to this improved method. And in cases where a plate or frame is unnecessary the artificial teeth, all secured, can with the bands or fastenings be more easily adjusted in the mouth to the natural teeth, thus ensuring greater accuracy in the 15 fit and more comfort to the wearer; and all the different kinds or patterns of artificial teeth now in use can be adapted to and be employed in this improved system or means of fastening or securing such teeth. SPECIFICATION in pursuance of the conditions of the Letters Patent, filed by the said James Clarkson in the Great Seal Patent 20 Office on the 1st June 1874. TO ALL TO WHOM THESE PRESENTS SHALL COME, I, James Clarkson, of No. 109, Upper Street, Islington, in the County of Middlesex, Dentist, send greeting. WHEREAS Her most Excellent Majesty Queen Victoria, by Her 25 Letters Patent, bearing date the Third day of December, in the year of our Lord One thousand eight hundred and seventy-three, in the thirty- seventh year of Her reign, did, for Herself, Her heirs and successors give and grant unto me, the said James Clarkson, Her special licence that I, the said James Clarkson, my executors, administrators, and 30 assigns, or such others as I, the said James Clarkson, my executors, administrators, and 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, exeicise, and vend, within the United Kingdom of Great Britain and Ireland, the
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