The gold, its alloys, and other metals, used by dentists / by James Robinson.

  • Robinson, James, 1813-1862.
Date:
1851
Catalogue details

Licence: Public Domain Mark

Credit: The gold, its alloys, and other metals, used by dentists / by James Robinson. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    the more easily does it fuse; and therefore, if the highest quality of solder correspond- ing to the 18 carat plate is to be employed, the plate should be proportionately thick; and the springs, rivets, &c., of a higher standard, or the latter would fuse into a mass during the process of soldering, par- ticularly where a large quantity of solder is used. The solder No. 1, used for the 18 carat standard plate, is rather more than 15 carats tine; No. 2 is about 13^ carats, and No. 3 rather more than 12 carats, fine. Hitherto we have spoken of work bearing the appearance of respectability, although really very inferior. We shall now refer to the various substitutions and adulterations daily inserted into the mouths of patients, some of which are scarcely superior to pinch- beck or gilded copper, with the single ex- ception, that for conscience sake they do contain a portion of gold. Pieces of work are frequently brought under our notice, in