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.
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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 17, 2024.
Pages
CHAP. LXXXVI. To make a Glass of Lead, of the Colour of Topaz.
TOPAZ is a lighter colour than Emerald, and casts Rays the colour of Gold, wherefore the colour can't be well imitated except this way.
Take fifteen Pound of Crystal Fritt in Powder, and ten Pound of Calx of Lead also in Powder, mix them well, and searce them very fine, then put them in a Pot heated at the Furnace, where leave it eight Hours, that it may be melted. Then cast the Mat∣ter into Water, and take out of the Pot all the Lead (if there be any) that remains. Put the Matter a∣gain into the Pot to be melted, and cast it by inter∣vals
into the Water. Add to that Matter half its weight of Glass tinged of a Golden colour, as in Chap. 62. incorporate and purifie well the whole to∣gether, and you'll have a Glass of the true colour of Oriental Topaz, fit to be wrought.
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