The borax is generally powdered and mixed with the spelter, and both with water. |
A piece of metal was cut from the pattern and the edges were brought together and brazed with spelter. |
Before the war these four countries with the United States produced over nine-tenths of the world's spelter. |
The buggy had pulled up close to a rough, broken, blistered cone of spelter stuff between ten and twenty feet high. |
The heat should be continued only long enough to cause the spelter to flow into place and no longer. |
Brazing is done by clamping the work in the jaws and heating until the flux, then the spelter has melted and run into the joint. |