CHAP. CLXXV. Another Splendid Enamel of a Carbuncle-colour.
NOT to particularize any farther on the Car∣buncle, which we have sufficiently enough discoursed of already, we will shew how to imitate the Colour ascribed to it with Enamel, and which
The art of glass shewing how to make all sorts of glass, crystal and enamel : likewise the making of pearls, precious stones, china and looking-glasses : to which is added, the method of painting on glass and enameling : also how to extract the colours from minerals, metals, herbs and flowers ... : illustrated with proper sculptures / written originally in French, by Mr. H. Blancourt, and now first translated into English ; with an appendix, containing exact instructions for making glass-eyes of all colours.
About this Item
- Title
- The art of glass shewing how to make all sorts of glass, crystal and enamel : likewise the making of pearls, precious stones, china and looking-glasses : to which is added, the method of painting on glass and enameling : also how to extract the colours from minerals, metals, herbs and flowers ... : illustrated with proper sculptures / written originally in French, by Mr. H. Blancourt, and now first translated into English ; with an appendix, containing exact instructions for making glass-eyes of all colours.
- Author
- Haudicquer de Blancourt, Jean, b. ca. 1650.
- Publication
- London :: Printed for Dan. Brown ... Tho. Bennet ... D. Midwinter and Tho. Leigh ... and R. Wilkin ...,
- 1699.
- Rights/Permissions
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- Subject terms
- Glass manufacture -- Early works to 1800.
- Enamel and enameling -- Early works to 1800.
- Precious stones.
- Link to this Item
-
http://name.umdl.umich.edu/A43083.0001.001
- Cite this Item
-
"The art of glass shewing how to make all sorts of glass, crystal and enamel : likewise the making of pearls, precious stones, china and looking-glasses : to which is added, the method of painting on glass and enameling : also how to extract the colours from minerals, metals, herbs and flowers ... : illustrated with proper sculptures / written originally in French, by Mr. H. Blancourt, and now first translated into English ; with an appendix, containing exact instructions for making glass-eyes of all colours." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A43083.0001.001. University of Michigan Library Digital Collections. Accessed June 18, 2024.
Pages
Page 229
will be of a wonderful fine Beauty, as has been often experimented. Now the whole Secret of this Ope∣ration consists in calcining the Gold perfectly, and bringing it to an absolute and just fineness, which must create this precious Colour.
Take very pure Gold, and for the better assurance refine it your self, and dissolve an Ounce of it in three Ounces of Aqua Regalis, as directed in Chap. 55. let the Solution distil over a gentle Fire until the Gold precipitates, and thus repeat an Exhalation and Cohobation six times, and the last time take out the Gold, powder and put it into a Crucible covered and luted, on a Reverberatory to calcine; let it remain until it become of a very excellent and Scarlet Red, which will not be without a considerable allowance of many Hours.
This done, take of our Crystal ground, and melt a quantity of it in a glazed Pot at the Furnace of the Glass-house, and being well purged, throw in a twentieth part of the Powder of Gold, in propor∣tion as the quantity of Metal, stirring the whole ve∣ry well, let it alone for some time, then try it, and according as you find the Colour, put in more Pow∣der until you bring it to a true transparent Carbun∣cle-colour.
We have given another way to calcine Gold in Chap. 115. no less sufficient than this, together with a way to make a fine Carbuncle, and this rare Colour may as well be given to the Stone as the Enamel by the Directions for preparing the Gold in either Chap∣ter, the Curious may choose which they will, they being equally sufficient.