1860 A Treatise on the Manufacture , Imitation, Adulteration and Reduction of Foreign Wines, Brandies, .

158

DISTILLATION".

uncrystallizable sugar present in then1. Ac– cording to Hermstredt, 100 pounds of starch should yield 35 po~nds of alcohol, or 4·375 gallons imperial; equal to 7·8 gallons of spirits, excise proof. One hundred pounds of the following grains afford, in spirits of specific gravity 0·9427, con– taining 45 per cent of absolute alcohol, (==Ir of British proof,) the following quantities:– vVheat, 40 to 45 pounds of spirits; rye, 36 to • 42; barley, 40; oats, 36; buckwheat, 40; In- dian corn, 40. The chief difference in these several kinds of corn consists in their different bulks under the same weight-a matter of con– siderable importance; for, since a bushel of oats weighs little more than the half of a bushel of wheat, it becomes less convenient in use, though it affords a good spirit. It is deemed preferable to use a mixture of several sorts of grain instead of a single one. " For example, wheat with barley and oats, or barley with rye and wheat; for the husks of

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