An alcoholic solution containing 1 per cent, by weight of glyceryl trinitrate.

Properties : Spirit of Glyceryl Nitrate is a clear, colorless liquid, having the odor and taste of alcohol. Caution should be exercised in tasting it, since even a small quantity of it is liable to produce violent headache.

Dosage: 0.05 c.c. or 1 minim two or three times a day.