Wash the surface of the article to be tinned with sulphuric acid, and rub the surface well, so as to have it smooth and tree of blackness caused by the and; then sprinkle calcined and finely pulverized sal-ammoniac upon tin-surface, holding it over a fire, when it will be sufficiently hot to melt a bar of solder which is to be rubbed over the surface: any copper dish or vessel may be tinned in this way.

How To Copper The Surface Of Iron, Steel, Or Iron Wire

Have the article perfectly clean, then wash with the following solution, and it presents at once a coppered surface. Rain water, 3 lbs.; sulphate of copper, 1 lb.

How To Tin Iron For Soldering, Etc

Take any quantity of muriatic acid, and dissolve all the zinc in it that it will cut; dilute it with one-fourth as much soft water as of acid, and it is ready for use. Rub this liquid on iron; and no matter how rusty it may be, it will brighten it up so that solder will readily adhere to it; or the above copper solution may be applied, giving it a coat of copper.