3. Copper, 82 parts; zinc, 18 parts; tin, 3 parts; lead, 1 part.
h. For Solder:—1. Fine brass, 12 parts; zinc, 6 parts; tin, 1 part; melted together.
2. Brass, 2 parts; zinc, 1 part; as before.
3. Brass, 3 parts; zinc, 1 part. Very strong. Used for soldering tubes and other like purposes requiring great strength. The above alloys form the ‘HARD SOLDER’ of the braziers. For certain purposes a little silver is added to them, when the compound receives the name of ‘SILVER-SOLDER,’
i. For Turning:—1. Fine brass, 98 parts; lead, 2 parts; melted together.
2. Copper, 61 parts; zinc, 36 parts; lead, 3 parts.
3. Copper, 65 parts; zinc, 33 parts; lead, 2 parts.
j. For Wire:—1. Copper, 72 parts; zinc, 28 parts; the resulting alloy being subsequently properly annealed.
2. Copper, 64 parts; zinc, 34 parts; as before.
3. To the last add of lead, 2 parts.