Mower County transcript., 1871-07-13
Easy Method Of Cutting Glass.

IHE cutting ot glass, says the 1cchn0l0-
gist, il an operation so frequently put in
practice i'll the laboratory, that any simple
means of etltCting it is sure to run the
rouuds OF the press as soon rs published.
Almost all the methods in common use
are very old. OF course, for cutting flat
glass, such as window pancs, the diamond
is tho best agent For cutting rounds, or
ovals out of flat glass, the diamond is the
best tool; and if the operator has no dia-
mond, it will always pay to carry the job
to a gIazier, rather than to waste time and
make a poor job by other and inferior
means When, however, it is required to
cut oil very little from a circle or oval
very skillful hands. In this case, pair of
pliers, or very dull scissors, is the best
tool, and the cutting is best performed
under water. A little practice will enable
the operator to shape small round, or
oval, with great rapidity, case and preci-
sion. When bottles or TASKS are to be cut
the diamond is still the best tool in skill.
full hands; but ordinary operators will
succc, d bs st with pastiles, or q; rcd-hot
poker. We prefer the latter, as being the
most easily obtained, and the most efficient; :;
and VIC have never found any difficulty in
cutting off broken llshs 50 as to make
dishes, or to carry a cut si'irally round q
long bottle, so ~, to cut il in the form of Il
corkscrcw. And, by the way, when sncut,
glass exhibits considerable elasticity, and
tn" spiral may bc elongated like Il ringlet.
The process is very simple. The line Of
the cut should br marked by chalk, or by
passing Il thin st'ip of paper alongside of
it; then make a file mark to commence the
cut; apply The hot ilon, and a crack will
start; and this crack will follow the iron
wherever we choose to lead it.
For drilling holes in glass, a common
steel drill, well made and tempered, is the
best tool. The steel should be worked at
d low temperature, so as to be sure not to
burn it, and then tempered as hard as pos
slhlc, in either murcury or bath of salt
water that has been we'll boiled. Such a
drill will go through glass very rapidly, If
kept well lnciStcnrd A good liquid for
moisicnns, such drills is turpcltinc, in
which some camphor has b. en- dissolved,
This was the lubricator recommended by
Griffin in his work on chemical mallipula-
ton, and it has been frequently published
since. Diluted sulphurc acid is equally
good, if not better; and we have found
calbolic acid sinynlar}y efficient.
1t is stat, d that ct Berlin, glass castings
for pump barrels, etc, are drilled, plan, Il,
and bored, like iron ones, and in the same
lathcs and machines, by the aid Of sui
phuric acid.
A little practice with these different
plans will enable the operator to cut and
work glass rs easily as brass or iron.
Mr.. Schchold, Bohemian residing in
Ohio, has Bible printed one hundred and
fifty years ago 1t was the DrOpcrty of his
grandfather, who was a Protestant During
one Of the prosecutions i'll Bohemia the
peasants were required by law to deliver
up every Bible to be burned. Mrs. Sche-
bold place Il hers in the center of some
dough, which was really for the oven, aud
bakcd it. The house was carefully search
c,, but the Bible was not found. Wh"u
TIL" dinner was past the Bible WAS taken
uninjurcd from the loaf, where it had been
safely concealed.