Specification of Charles Edward Blake : foil for stopping teeth.

  • Blake, Charles Edward.
Date:
1874
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Charles Edward Blake : foil for stopping teeth. Source: Wellcome Collection.

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    A.D. 1874, 7th January, N° 92. Foil for Stopping Teeth. LETTERS PATENT to Charles Edward Blake, of San Erancisco, Cali¬ fornia, in the United States of America, Dentist, for the Invention of “ Improvements in Dentistry, the same Consisting in a Means of Disguising the Bright Color of Gold Filling for Teeth, whereby said Filling is also rendered more Durable, and also of an Improved Metallic Foil for Dental Purposes.” Sealed the 3rd March 1874, and dated the 7th January 1874. COMPLETE SPECIFICATION filed by the said Charles Edward Blake at the Office of the Commissioners of Patents, with his Petition and Declaration, on the 7th January 1874, pursuant to the 9th Section of the Patent Law Amendment Act, 1852. 5 TO ALL TO WHOM THESE PRESENTS SHALL COME, 1, Charles Edward Blake, of San Erancisco, California, in the United States of America, Dentist, send greeting. WHEREAS I am in possession of an Invention for “ Improvements in D entistry, the same Consisting in a Means of Disguising the Bright Color
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