Sacramento daily record-union. [volume] (Sacramento [Calif.]) 1875-1891, 1882-05-18
INDUSTRIAL NOTES.

Galvanized iron will corrode after six o,
seven years exposure to moisture.
The friction of belt is claimed to be
double as much on wood as it is on iron.
Silver is the most perfect rejecting metal,
absorbing less than three per cent. of the
rays of light.
The Roane Iron Company, of Chatta.
nooga, has received from England S53, ,O0O
order for steel blooms.
To tin small castings clean and boil them
with scraps of block tin in strong solu.
tion of cream Of tartar.
A laboratory of electricity, under the
charge of M. Cochery, will be established
with the surplus funds of the recent elec-
trical exhibition at Paris.
A piece of zinc placed on the live Goals
in hot stove will effectually clean out q
stove.pipe, the vapor produced carving
off scot by chemical decomposition.
Honey made entirely by machinery is on
sale in New York markets, and an ex.
change says it looks 10 per cent. better
than any bit of work ever yet attempted
by bees.
A varnish for producing an imitation Of
ground glass may be composed of the fol-
lowing substances Sandarac, Is parts
mastic. parts ether, 200 parts; bedzol,
so to 100 parts.
Wood piled in tank and covered with
quicklime, which is gradually Stacked with
water, is said to acquire great hardness
and consistency after the lime has acted
upon it for week or more.
To oxidize gold, silver and brass: Paint
the parts to be oxidized with solution oi
chloride of platinum, then let dry. TIC
make the chloride of platinum in solution
dissolve one drachm in two ounces of hoi
water.
A patent recently granted in Vienna and
Berlin uses bands of steel, which are tenn
pered and hardened, to transmit motion
from one pulley to the other, the faces o.
the pulleys being turned perfectly fat and
then faced with varnish of rosin, shellat
and asphalt.
Regarding explosions in flour mills, Mr.
Thomas j. Richards, of the British Board
exist in all corn mills, the difference being
in degree merely, and not in kind. AL
though disasters of the explosive sort are
rare, they are ever liable to occur in all
corn mills, and cause accidents more or Less
disastrous.
An extensive iron manufacturing firm o
Pittsburg has opened new field of labor
for women, and will soon turn out female
blacksmiths and iron workers by the hun.
dred. Two or three hundred girls are al.
ready employed, ranging in age from Is tc
20 years. The labor performed by them,
it is said, is not heavy, and they can earn
from rs cents to 81 so per day.
The following proportions are said to
drying up on the pad, will yet not readily
smear when not impressed upon the paper
Aniline red (violet), 90 grains boiling
distilled water, l ounce glycerine, half a
teaspoonful treacle, half as much as
glycerine. The crystals of the violet dye
to be powdered and rubbed up with the
boiling water, and the other ingredients
stirred in.
Crushed coke is becoming favorite
] household fuel in certain parts of the coun.
try, especially in the West, being manu-
factured on large scale in the vicinity o.
Latrobe, Pa, where the works can scarcely
keep pace with the demand. The Engineer
ing and Mining Journal asks if our gai
companies, which find it difficult to get rid
of their coke to best advantage, could moi
enlarge their market by giving more atten.
tion to its preparation in similar way.
The comparative strength of wire and
manila rope was severely tested in the at
tempt of the Persian Monarch to tow the
disabled steamer Edam. The tow-line, as
described by Captain Duncombe, was a
composite affair, the two ends being OF
manila and the central portion of wire, the
whole attached to the steamer by a spring.
In repeated efforts the manila yielded every
time, and at last went to pieces, SO that the
Edam was abandaned to her fate. The
wire portions remained intact.