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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.] Colours for potter's glaze-work, pp. 190-195
Page 190
ture is by the Dutch called matirat: of tIbis fi
hundred pounds, tin and lead asheg, together; eighty
common salt ten pounds ; nielt them three time
cake.
The tin and kad ahes are niad of one hded
of lead, and thirty pounds of tin.
The comnmon Ware 4 thus glazed.
TAKt farty p ounds of clear sand, seveyn.yirv
of litharge or, lead ashes, twenty-si* pounds of po
and ten pounds of salt nelt thmer three timc$
cake, quenching it each time in clear cold water.
Take clean sand fifty pounds,-dead ashes seventy I
wood-aShes thirty pounds, salt tMelve pounds: melt
a cake,
With this mivture they glaze fine and coarse, ar
in an earthen glazing pan, which is round:' the
set in them, upon threc-cornered bars that go
"the like lholes in the pan, and the ware is kept
fromo touching one another; the pan must be
closed up,
COLOURS FOR, K '-TE's GLAZE-WORK
A fine Yellow.
TAKE red-lead three pints - antimoriy ad tin, c
two pounds ; melt them into a cake ; grind it i
melt it again. Repeat this several times, and y
have a good yellow. Or,
Take fifteer parts of lead ore, three partS of
tharge, ad fiftcem parts of sand. Or
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