Lab
Library
Journal
Shop
Sign in
to keep
Share image
1
1036
Enquire within upon everything
·
Robert Kemp Philp
219
[WHO
NEVER
TRIES
CANNOT
WIN
THE
PRIZE.]
349.
Maps
and
Charts.
Maps,
charts,
or
engravings
may
be
effectually
varnished
by
brushing
a
very
delicate
coating
of
gutta-percha
solution
over
their
surface.
It
is
perfectly
transparent,
and
is
said
to
improve
the
appearance
of
pictures.
By
coating
both
sides
of
important
documents
they
can
be
kept
waterproof
and
preserved
perfectly.
350.
Temperature
of
Furniture.
Furniture
made
in
the
winter,
and
brought
from
a
cold
warehouse
into
a
warm
apartment,
is
very
liable
to
crack.
351.
Paper
Fire-Screens
should
be
sized
and
coated
with
transparent
varnish,
otherwise
they
will
soon
become
soiled
and
discoloured.
352.
Pastilles
for
Burning.
Cascarilla
bark,
eight
drachms;
gum
benzoin,
four
drachms;
yellow
sanders,
two
drachms;
styrax,
two
drachms;
olibanum,
two
drachms;
charcoal,
six
ounces;
nitre,
one
drachm
and
a
half;
mucilage
of
tragacanth,
sufficient
quantity.
Reduce
the
substances
to
a
powder,
and
form
into
a
paste
with
the
mucilage,
and
divide
into
small
cones;
then
put
them
into
an
oven,
used
quite
dry.
353.
Breaking
Glass.
Easy
method
of
breaking
glass
to
any
required
Figure.--Make
a
small
notch
by
means
of
a
file
on
the
edge
of
a
piece
of
glass,
then
make
the
end
of
a
tobacco-pipe,
or
of
a
rod
of
iron
of
the
same
size,
red
hot
in
the
fire,
apply
the
hot
iron
to
the
notch,
and
draw
it
slowly
along
the
surface
of
the
glass
in
any
direction
you
please:
a
crack
will
follow
the
direction
of
the
iron.
354.
Bottling
and
Fining.
Marker
Marker
Fine marker
White-out
Fine white-out
Circle
Paint
Unmarker
Hand
Scalpel
Dice
Sieve
Purify
Undo
Redo
Start over
