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499

Kaolin, - - - -3 drachms,
Oxide of Gold, - - 3 grains,
Grind, &c.
-See the manner of using this enamel, Section V. para-
graphs 1 and 2.

Paste No. 28.

Proper for making single pieces, but without gums.
Kaolin, - - - 2 ounces,
Kaolin once put into the pot- )
. , • [2 ounces,
i r
ters porcelain furnace,
)
Earth of Vanvres, - 2 ounces,
Earth d'enoollage, - 1 ounce 4 drachms,
Oxide of Titanium, - 2 1-2 drachms,
Oxide of Gold, - - 3-8 of a grain,
Filings of Platina, - r 3 grains,
Grind, &c.

This paste can be enamelled with all the enamels indis-
tinctly, that is, at the option of the artist ; but he ought to
be acquainted with all the tints, to be able to make a proper
use of the enamel which he wants.
Without this particular knowledge, he will be liable to
make wrong tints of pieces, which will not be like those of
the natural teeth.
All the formulas of pastes and enamels which we use, are
known by a number ; in using, the number of the enamel
which corresponds with that of the paste, and that which is
used for enamelling the teeth made with the paste, having
the same number. This plan has .appeared necessary to us
to establish order in our work. But we ought to observe,
also, that, for increasing the number of the tints, the pastes