This section is from the book "Materia Medica Pharmacy, Pharmacology And Therapeutics", by W. Hale White. Also available from Amazon: Materia Medica Pharmacy, Pharmacology And Therapeutics..
Spiritus Frumenti. Whiskey.
An alcoholic liquid obtained by the distillation of the mash of fermented grain (usually a mixture of corn, wheat and rye), and at least two years old.
An amber-colored liquid, having a distinctive taste and odor, and a slightly acid reaction. Contains 44 to 50 per cent., by weight, of Absolute Alcohol. Sp. gr., 0.917 to 0.930, which limits it should not exceed.