Table of Contents Table of Contents
Previous Page  19 / 230 Next Page
Information
Show Menu
Previous Page 19 / 230 Next Page
Page Background

DISTILLATION.

19

Fiff.l

the

bottom

of

the

still,

for

the

purpose

of

discharging

the

alembic

and

the

eggs.

The

small

tube

d,

also

provided

with

a

cock,

serves

to

point

out

when

the

still

is

full

within

two-thirds

of

its

height.

The

little

tube

E

also

proceeds

from

the

head

of

the

still,

with

its

cock,

which

communicates

with

the

long

tube

x

x

x

x,

which

runs

from

the

last

egg

that

is

to

say,

from

that

at

the

great-

est

distance

from

the

still

and

communicates

with

the

little

worm

which

is

plunged

in

the

little

tub

F,

placed

under

the

furnace

to

prove

the

vapours

contained

in

each

of

the

distillatory

vases.

This

little

worm

has

the

cock

Q

at

its

lower

orifice,

h,

h,

h

are

a

series

of

distillatory

ves-

sels

or

condensers,

in

the

shape

of

eggs,

solidly

fixed

upon

the

timber-work

p

Q,

and

in

succession

with

each

other

on

the

side

of

the

still.

This

plate

represents

only

three

eggs,

though

the

num-

ber

may

be

augmented

at

pleasure.

It

was

the

opinion

of

M.

Adam

that

the

greater

the

number

of

eggs,

the

bet-

ter

the

rectification

would

be

carried

on.

The

still

com-

municates

with

the

first

egg

by

the

tube

i,

whi^h

rises