4lbs

Updated: May 9, 2025

We have, moreover, seen that 100lbs. of dry sweet matter gave 25 gallons of spirit 19°, which comes to 4lbs. of sugar per gallon. We shall make use of that scale in comparing the processes of the brewer with those of the whiskey distiller.

Anthony Boucherie - The Art of Making Whiskey: So As to Obtain a Better, Purer, Cheaper and Greater: Quantity of Spirit, From a Given Quantity of Grain

Supposing the bushel of grain to weigh 50 pounds, and that it gives 2 gallons of whiskey at 19°, each of which gallons is the product of 4lbs. of sugar; then the strong beer which contains in 40 gallons the sweet matter of 200lbs. of grain, contains the elements of 8 gallons of spirit, or 32lbs. of dry sweet substance; and as the 40 gallons of this beer weigh 320lbs. the 32lbs. of sugar form only one-tenth of it, which is one half of Lavoisier's proportions.

Anthony Boucherie - The Art of Making Whiskey: So As to Obtain a Better, Purer, Cheaper and Greater: Quantity of Spirit, From a Given Quantity of Grain