See also Gold Alloys, under Alloys.

Gold of 22 carats fine being so little used is intentionally omitted.

I

Gold of 18 Carats, Yellow Tint. —Gold, 15 pennyweights; silver, 2 pennyweights, 18 grains; copper, 2 pennyweights, 6 grains.

II

Gold of 18 Carats, Red Tint.— Gold, 15 pennyweights; silver, 1 pennyweight, 18 grains; copper, 3 pennyweights, 6 grains.

III

Spring Gold of 16 Carats.— Gold, 1 ounce, 16 pennyweights; silver, 6 pennyweights; copper, 12 pennyweights. This when drawn or rolled very hard makes springs little inferior to steel.

IV

Jewelers' Fine Gold, Yellow Tint, 16 Carats Nearly.—Gold, 1 ounce; silver, 7 pennyweights; copper, 5 pennyweights.

V

Gold of Red Tint, 16 Carats.— Gold, 1 ounce; silver, 2 pennyweights; copper, 8 pennyweights.