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495

Paste No. 20.

Kaolin, Q ounces.
Earth of Vanvres, - 1 ounce, 4 drachms.
Oxide of titanium, - 2 1-2 drachms, 2G grs.
Oxileofgold,
- - 1-2 grain, very exact.
Filings of platina, - 2 grains.
Observation.-^The paste No. 20, is inserted with the ena-
mels, Nos. 20 and 21.

Enamel, No. 20.

Petunze, . . . 7 ounces.
Kaolin, 3 drachms.
Oxide of titanium, - 2 1-2 drachms, 20 grs.
Oxide of gold, - - 1-2 grain, very exact.
Grind, &c.

Enamel, No. 21.
Petunze, 7 ounces.
Kaoim, - - - 11-2 drachms.
Earth of Vanvres, - 11-2 drachms.
Oxide of titanium, - 3 drachms.
Oxide of gold,
- - 1-2 grain, good weight.
Grind, &c.

Paste, No. 22.
...
Kaolin, 1 ounce, 4 drachms.
Earth of Vanvres, - 2 drachms.
Oxide of titanium, - 1-2 drachm, 19 grains.
Filings of standard gold, 3 grains.