No. 25. — Goadby's Solution, No. 2.
Bay salt, 0.5 lb.
Corrosive sublimate, 2 grs.
Arsenious acid, 20 grs.
Boiling rain water, 1 quart.
Keep in stoppered bottle labelled "Poison."
Note that, corrosive sublimate being a remarkably difficult thing to dissolve, even in pure spirits of wine, it may not be generally known that the addition of a saturated solution of sal ammoniac, in weight about half an ounce, is sufficient to dissolve many ounces of corrosive sublimate. Thus a solution useful for some purposes is easily made as follows:
No. 26. — Browne's Preservative Solution.
Saltpetre, 4 oz.
Corrosive sublimate, 0.25 oz.