77 / 330
600
MISCELLANEOUS
VALUABLE
RECEIPTS.
77
,
No.
143.
IIoiD
to
make
Blue
Ink
for
writing.
No.
2.
Take
soft
Prussian
blue
and
oxalic
acid,
equal
Darts,
powder
them
finely,
and
then
add
soft
water
to
bring
it
to
a thin
paste.
Let
it
stand
for
a
few
days,
then
add
soft
water
to
make
the
desired
shade
of
colour,
adding
a
little
gum
arable
to
prevent
its
spreading.
No.
143i
How
to
make
Vinegar.
No.
1.
Vinegar
is
used
principally
as
a
sauce
and
to
pre-
serve
vegetable
substances;
but
it
is
employed
ex-
ternally
when
an
overdose
of
strong
wine,
spirit,
opium,
or
other
narcotic
poison
has
been
taken.
A
false
strength
is
given
to
it
by
adding
oil
of
.vitriol
or
some
acrid
vegetable,
as pellitory
of
Spain,
capsi-
cum,
&c.
It
is
rendered
colourless
by
adding
fresh-
burned
bone-black,
6
ounces
to
a
gallon,
and
letting
it
stand
for
2
or
3
days
to
clear.
Mix
cider
and
honey,
in
the
proportion
of
1
pound
of
honey
to
a
gallon
of
cider,
and
let
it
stand
in
a
vessel
for
some
months,
and
vinegar
will
be
produced
so
powerful
that
water
must
be
mixed
with
it
for
common
use.
No.
144.
Another
Vinegar.
No.
2.
Scheie,
a
celebrated
chemist,
has
recommended
the
following
recipe
:
—
Take
6
spoonfuls
of
good
spirits
of
wine,
to
this
add
3
pints
of
milk,
and
7*