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180

MANUFACTURE

OF

WINES

AND

LIQUORS.

cipient

of

the

distilled

liquid,

and

stopping

the

ope-

ration

when

the

distilled

liquor

reaches

the

hun-

dredth

degree

;

then

obtain

the

amount

of

alcohol

the

distilled

liquor

contains,

by

means

of

ttfe

hydro-

meter,

and

dividing

the

result

by

three,

you

have

the

per centage

of

alcohol

that

the

liquid

contains.

If,

for

example,

the

hundred

parts

of

distilled

liquor

contained

thirty

parts

of

alcohol,

the

liquid

submit-

ted

to

distillation

contains

ten

per

cent,

of

alcohol

;

but

if,

from

want

of

attention,

there

should

be

dis-

tilled

over

more

than

one

hundred

parts

of

the

li-

quor,

it

will

not

answer

to

divide

the

alcoholic

strength

of

the

product

by

three

to

obtain

the

per

centage

of

the alcohol

of

the

liquor

submitted

to

dis-

tillation.

You

must

employ

as

a

divisor

the

num-

ber

which

expresses

the

relation

of the

volume

of

the

distilled

product

to

the

bulk

of

the

wine.

If,

for

example,

you

have

one

hundred

and

six

parts

of

distilled

liquor,

containing

(by

the

hydrometer)

thir-

ty-three

parts

of

alcohol,

you

divide

300

by

106,

which

gives

2*83,

and

then

divide

33

by

2*83,

which

gives

11*66

;

the

last

number

expresses

the

per

cent-

age

of

alcohol

of

the

liquor

submitted

for

examina

tion.

CHARCOAL

AS

A

DECOLORIZING

AGENT.

Owing

to

a

variety

of

causes,

the

fluctuations

of