Cooley's Cyclopædia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I

by Arnold James Cooley; Richard Vine Tuson

e. Button-brass:—1. Copper, 8 parts; zinc, 5 parts. This is the ‘PLATIN’ of the Birmingham makers.

2. Yellow brass, 16 parts; zinc, 2 parts; tin, 1 part. Paler than the last.

3. Copper, 25 parts; zinc, 20 parts; lead, 3 parts; tin, 2 parts. Pale; used for common buttons.

f. For fine Castings:—1. As fine brass, according to the colour desired. (See above.)

2. Copper, 62 parts; zinc, 35 parts; lead, 2 parts; tin, 1 part.

3. Copper, 60 parts; zinc, 36 parts; tin, 4 parts. Both the last two are rather pale and brittle.

4. Copper, 90 parts; zinc, 7 parts; tin, 2 parts; lead, 1 part. Rich deep colour.

5. Copper, 91 parts; zinc, 5 parts; tin, 3 parts; lead, 1 part; as the last.

g. For Gilding:—1. As fine brass (above).

2. Copper, 64 parts; zinc, 32 parts; lead, 3 parts; tin, 1 part.