or as
No. 22. — Alcoholic Solution, No. 1.
Methylated spirit, 1.5 pints.
Burnt alum (pounded), 2 oz.
Distilled water, 0.5 pint.
Saltpetre, 4 oz.
This, which is to be well shaken together, becomes milky at first, but will soon fine down, and may then be decanted.
No. 23. — Alcoholic Solution, No. 2.
Methylated spirit, 3 parts.
Glycerine, 1 part.