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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