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Smith, G. / The laboratory; or, School of arts: containing a large collection of valuable secrets, experiments, and manual operations in arts and manufactures, highly useful to gilders, jewellers, enamellers, goldsmiths, dyers, cutlers, pewterers, joiners, japanners, book-binders, plasterers, artists, and to the workers in metals in general; and in plaster of paris, wood, ivory, bone, horn, and other materials
(1799)
[Part IV.] Of glass, pp. 161-179
Page 161
AILT OF MAKING GLASS. 161
PART IV.
THE
ART OF MAKING GLASS;
WITH
TEE ART 0 PAINTING, AND MAKING IMPRESSIONS UPON
GL.ASS, AND OF LAYING THEREON GOLD OR SILVER; TOGE-
THER WITH THE METHOD OF PREPARING THE COLOUE
SPOTTERS-WORK, OR DELFT-WARE.
*Of Glass.
G LASis a trasparent, brittle, factitious body, pro-
due rm sand4, flints, alkaline salts, lead, slas
&c. by the meing heat of a very strong fire'. At 'vhat
peri th art of giass-makirng was first invented is altooe-
ther rain. Some suppose it to have been invenm d
before the flood, but of this they can give no proof;
though they rightly conjecture, that the vitrificatioA of the
bricks of fire places and furnaces gave the first hint towards
glass-making, which in all pobability happened as soon as
fire was djc' To those who are curious in forn"ng
o o ubject, we recommend them to Neri's
Art of G with Dr. Merret's notes and inprovements ;
. VO. 1.M Aid
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