162 / 176
The
StilLRoom
sugar,
and
a
tea-spoonful
of
cream.
Mix
all
well
together,
and
put
it
on
a
plate.
The
flies
in
the
room
will
soon
disappear.
—
/.
R.
To
destroy
Black
Beetles,
—
The
Union
Cockroach
Paste,
invented
by
Mr.
Howarth,
F.Z.S.,
for
use
in
the
workhouse
at
Sheffield
when
it
was
infested
with
black
beetles,
never
fails
in
its
effect.
It
is
sold
in
tins
by
Mr.
Hewitt, Chemist,
66,
Division
Street,
Sheffield.—/.
R.
To
make
a
Cement
for
China
or
Glass.
—
Mix
thoroughly
two
and
a
half
ounces
of
white
of
egg
with
one ounce
of
finely
powdered
quicklime,
care-
fully
adding
an
ounce
of
water
and
five
and
a
half
ounces
of
plaster
of
Paris.
This
cement
should
be
used
as
soon
as
made.
To
make
Stick-fast
Paste.
—
Dissolve
a
quarter
of
a
pound
of
gum
arabic
in
half
a
pint
of
water,
and
carefully
mix
therewith
an
ounce
of
sugar
and
three
ounces
of
starch.
Heat
in
a
water-bath
till
it
becomes
clear.
Add
half
a
dram
of
oil
of
cloves
and
allow
to
cool.
To
make
Baking-powder.
—
Mix
together
ten
ounces
of
bicarbonate
of
soda,
eight
ounces
of
tar-
taric
acid,
and
a
pound
of
corn-flour,
ground-rice,
or
wheat-flour.
Thoroughly
mix
the
powders,
pass
through
a
sieve,
and
store.
It
is
essential
that
the
several
materials
used
in
the
preparation
of
baking-powder
shall
be
separately
fire-dried
with
thoroughness
previously
to
being
mixed.
The
presence
of
the
smallest
quantity
of
150