Specification of Arthur Dunn : preparing and packing tooth powder.

  • Dunn, Arthur.
Date:
1857
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Arthur Dunn : preparing and packing tooth powder. Source: Wellcome Collection.

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    Provisional Dunns Improvement in Preparing and Packing Tooth Powder. packing tooth powder, the same will retain its perfume and flavor, and also the form of a moulded mass, and yet admit of a quantity being readily removed by a brush from time to time from the uncovered surface. SPECIFICATION in pursuance of the conditions of the Letters Patent, filed by the said Arthur Dunn in the Great Seal Patent Office on the 5 10th December 1857. TO ALL TO WHOM THESE PRESENTS SHALL COME, I, Arthur Dunn, of Dalston, in the County of Middlesex, Fancy Soap Manufacturer, $end greeting. WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters 10 Patent, bearing date the Tenth day of June, in the year of our Lord One thousand eight hundred and fifty-seven, in the twentieth year of Her reign, did, for Herself, Her heirs and successors, give and grant unto me, the said Arthur Dunn, Her special licence that I, the said Arthur Dunn, my executors, administrators, and assigns, or such others as I, the said Arthur 15, Dunn, 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, exercise, and vend, within the United Kingdom of Great Britain and Ireland, the Channel Islands, and Isle of Man, an Invention for “ An Improvement in 20 Preparing and Packing Tooth Powder,” upon the condition (amongst others) that I, the said Arthur Dunn, my executors or administrators, by an instrument in writing under my, or their, or one of their hands and seals, should particularly describe and ascertain the nature of the said Invention, and in what manner the same was to be performed, and cause the same 25 to be filed in the Great Seal Patent Office within six calendar months next and immediately after the date of the said Letters Patent. NOW KNOW YE, that I, the said Arthur Dunn, do hereby declare the nature of the said Invention, and in what manner the same is to be per¬ formed, to be particularly described and ascertained in and by the following 30> statement thereof, that is to say:— This Invention has for its object an improvement in preparing and packing tooth powder. For this purpose any preparation, or mixture of materials suitable to be used as a tooth powder, is subjected to pressure in moulds, in the dry or very slightly moistened state, in order to mould the powder into 35. forms, in place of the powder being packed in boxes, as heretofore; and such