Put together into a glass vessel, one oz. good silver, made thin and cut into strips; two oz. best nitric acid and ½ an oz. pure rain water. If solution does not begin at once, add a little more water - continue to add a very little at a time till it does. In the event it starts off well, but stops before the silver is fully dissolved, you may generally start it up again all right by adding a little more water.

When solution is entirely effected, add 1 qt. warm rain water and a large tablespoonful of table salt. Shake well and let settle, then proceed to pour off and wash through other waters as in the case of the gold preparation. When no longer acid to the taste, put in an oz. and an eighth cyanuret potassa and a qt. pure rain water; after standing about twenty-four hours it will be ready for use.