(500
MISCELLANEOUS
VALUABLE
RECEIPTS.
87
Note.
—
In both
processes,
let
them
have
a
chance
to air
in
drying.
No.
168.
Blue
Black
on
Silk.
First
run
through
a
mordant
of
nitrate
of
iron
and
water;
then
run
through
pearlash-water
;
then
through
nitrate
of
iron
again
;
then
put
them
through
logwood-liquor,
with
a
little
bluestone
of
vitriol
dis-
solved
in
it.
If
not
dark
enough,
repeat
the
ope-
ration.
No.
169.
Maroon
on
Silk.
To
3
pounds
silk
take J
pound
cudbear;
put
it
in
water,
and
let
it
boil
;
then
put
in
your
silk,
and
let
it
boil
a
few
minutes.
Keep
your
silk
well
handled
;
take
out,
and you
will
have
a
good
handsome
colour.
To
change
the
shade,
put
in
2
pounds
common
salt,
and
operate
as
before
:
this
will
vary
the shade.
To
vary
it still
further,
take
the
silk,
after
boiling
it
the
first
time
without
the
salt,
and
handle
it
in
pearl-
ash-water,
or
in
cream
of
tartar,
and
you
will
have
a
handsome
blue.
No.
170.
Orange
on
Silk
or
Cotton.
Take
1
pound
silk,
1
ounce
annotto,
2
ounces
pearlash,
and
boil
them
well
together.
Turn
in
your goods
;
when
boiled
10
minutes,
take
out,
wash,
and
finish.
If
this
orange
is
dark,
handle
the
goods
al;
hand-heat.
Note.
—
These
goods
must
be
well
washed
out
in