The Colfax chronicle. [volume] (Colfax, Grant Parish, La.) 1877-1981, 1888-08-18
SCIENCE AND INDUSTRY.

SCtGNCc ANO
The Manufacturer and Builder 40
clares that there are at present no less
thar 10000 electric motors In use
itroua: bout the United States.
One of the most remarkable me-
ctanical CHI. 1ges of the day is the set-
ting aside Of 81 gel and the readoption
of iron for some d. the most Important
parts Of locomotives on many railroads.
It IL only comparatively a few yea
since the change was m sde' on mo''
roads, from iron 70 steel.
The nettle is among the q. distances
which sciences has put TO use CURING
the past few years. This weed Is - ."
being cultivated in Germany, its fibeN
having proven valuable for variety
of textile fabrics. In Dresden thread
is produced from il so fine that a length
of sixty miles weighs only two and ono
half pounds.
According to Prof. Sargeant, tho
strongest wood in the United States Is
that OF the nutmeg hickory Of the Ar
kansas region. and the weakest the
West Indian birch. The most elastic
is the tamarack, the white or she'll
bark hickory standing far below IT,
The least elastic, and lowest In speclnc
gravity, is the wood of the ficus aurca-
The highest specific gravity, upon
which in general depends value as fuel
is attained by the bluewood Of Texas. :
The two acids, sulphuric and sui
phurous, have been found In snow
which has freshly fallen, the amount
increasing with great rapidity after II
has lain on the ground for q length OF
time. In recently fallen snow seven
millegraffImes Of the two acids were
found per kilogramme; the same snow,
after the lapse of two weeks, was found
to contain ninety-two millegrammes Of
the acids.
The Westinghouse Electric Com
pafy has completed an incandescent
lamp which is expected to give better
results than any lamp now In use.
Formerly lamp which burned oOO
hours was considered good; but the
new one is expected to burn easily from
$500 to 5000 hours without discolora-
ton. Discoloration has been stumb-
/ linp-block in the way of incandescent
lamps ever since they were invented
Electrical RcvieU.
There are twenty blast furnaces in
and about Pittsburgh. thirty-hve roll
ing mills. thirty-nine steel works, fifteen
window-glass works, thirty-seven mint
glass works, and eleven green-giass
works. The blast furnace makes 9OO.-
600 tons Of iron per year, the rolling
mills 575, 600 tons, steel works 75O,OO0
tons, plate-glass works $3.50, 600 square
feet, window-glas works 100000.
/ There are q number Of wooden mills
and knitting factories in operation in
Utah where hosiery, mittens, leggings,
ladies' knit skirts and mems knit un-
derwear are turned out in large guam
titles. These goods are exported
throughout the entire mountain region
In one of these mills the output Is 1000
yards of material per day. Thousands
of dozens of handmade scarlet and
mems gray hose are sent into Colorado
| ana MO0G8Q6s uOAI O1AA Ae.8V AOS><1
and blankets find . ready marizet In
Chicago, and the orders for these goods
are often fully up to the capacity.
The coast Of Maine is 80 indented
by bays and inlets that the actual shore
line is fully 400 miles in extent.
Along this shore are many OF the chief
cities, towns and important industries
of Maine. One Of the most important
of these Industries is the catching
transportation. canning and sale Of lob
steers. This is an industry that has
grown in thirty years from business
that gave employment to few score
Of hands. It now employs more than
1900 fishermen, nearly 1000 boats and
forty vessels. and distributes in various
ways more than $500, 900 annually. The
! business Of lobster catching In general
requires two men to boat, with 2Oo
, traps, at cost Of about $500 for the
entire outfit. ~