7. Another.--Bismuth 1, lead I, tin 2 parts. 8. Another pewter
solder.--Tin 2 parts, lead 1 part. 9. Glaziers' solder.--Tin 3 parts,
lead 1 part. 10. Solder for copper.--Copper 10 parts, zinc 9 parts.
11. Yellow solder for brass or copper.--- Copper 32 lbs., zinc 29
lbs., tin 1 lb. 12. Brass solder.--Copper 61.25 parts, zinc 38.75
parts. 13. Brass solder, yellow and easily fusible.--Copper 45, zinc
55 parts. 14. Brass solder, white.--Copper 57.41 parts, tin 14.60
parts, zinc 27.99 parts. 15. Another solder for copper.--Tin 2 parts,
lead 1 part. When the copper is thick heat it by a naked fire, if thin
use a tinned copper tool. Use muriate or chloride of zinc as a flux.
The same solder will do for iron, cast iron, or steel; if the pieces
are thick, heat by a naked fire or immerse in the solder. 16. Black
solder.--Copper 2, zinc 3, tin 2 parts. 17. Another.--Sheet brass 20
lbs., tin 6 lbs., zinc 1 lb. 18. Cold brazing without fire or lamp.
--Fluoric acid 1 oz., oxy muriatic acid 1 oz., mix in a lead bottle.
Put a chalk mark each side where you want to braze. This mixture will
keep about G months in one bottle. 19. Cold soldering without fire or
lamp.--Bismuth 1/4 oz., quicksilver 1/4 oz., block tin filings 1 oz.,
spirits salts 1 oz., all mixed together. 20. To solder iron to steel
or either to brass.--Tin 3 parts, copper 39-1/2 parts, zinc 7-1/2
parts. When applied in a molten state it will firmly unite metals
first named to each other. 21. Plumbers' solder.--Bismuth 1, lead 5,
tin 3 parts, is a first-class composition. 22. White solder for raised
Britannia ware.--Tin 100 lbs., hardening 8 lbs., antimony 8 lbs.
23. Hardening for Britannia.--(To be mixed separately from the other
ingredients.) Copper 2 lbs., tin 1 lb. 21. Best soft solder for cast
Britannia ware.--Tin 8 lbs., lead 5 lbs. 25. Bismuth solder.--Tin
1, lead 3, bismuth 3 parts. 26. Solder for brass that will stand
hammering.--Brass 78.26 parts, zinc 17.41 parts, silver 4.33 parts,
add a little chloride of potassium to your borax for a flux. 27.