The Black Hills union. [volume] (Rapid City, Pennington County, Dakota [S.D.]) 1889-1904, 1891-10-23
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pounds.
Moro than 1, 600, 900 pounds 81 rubbsrio
used annually for bicycle dres.
The now national library building u
Warrington WIN cost o, 100000.
The United States imports moro gum
for'mahng vsrnish than any other coun.
try.
A vinegar vat has been constructed n
Tuckerton, Pa, which will hold 1000 bar.
rels.
The price Of aluminium has fallen dur.
ing the past three years from q to q per
pound.
During the last fiscal year Is, 925 pom
sioners were dropped from the rolls by
reason Of death.
A mischievous Camden, N. j., boy is in
jail Tor painting whiskers IN the figure Of
an angel on q gravestone.
There are In Old Orchard, Me-, three
apple trees which bear bach year loads OF
apples shaped almost exactly like pears.
The handsome Autographs Of theatrical
and operatio celebrities which are display
cd In show windows are printed on Ms.
souri, stone.
The British museum Is gathering . stu.
pendous collection Of newspapers. Add.
lions for n single year comprise ITO, S3S
numbers.
The European demand for American.
made carts and light vehicles has greatly
Increased. It has also been found cheaper
to . them across without painting,
Leaving that to be done abroad.
The great railroads running from the
northwestern part Of our country to the
U OF Mexico have determined to estab.
lish steamship lines to Central and South
American ports from New Orleans.
A remarkable wheel has recently beer
described, constructed at S~canton, Pa, and
which e said to weigh-400, 900 pounds. 1t
is q cog wheel 81 feet in diameter and 1s
inches face, and has q capacity Of 80, 000,-
600 gallons Of water and 5000 tons Of
sand per twenty-four hours, running at q
velocity Of ton feet . second on the inner
edge of tho bucket. The total length Of
the shaft is % feet and 8 inches.
Floor beams have been made Of con-
crete In England by house builders, and
various tests of their supporting power
have given satisfactory results. Tho
beams are made of Portland cement and
SoAo oleoAe ~ equal parts, ana several
round iron rods are embodied in the con-
crete near the edges Of the beams, and it
appears that the average breaking load
of W concrete and iron beams which
were tested was about 2, 500 pounds, while
q similar beam with no inserted rod
broke with a load mounds.
An ingenious application Of electricity
for ventilation has been brought out in
France. An electric fan furnishes the cur
rent of air which can be cooled by Q
of Ice or other cooling agent. II hot air
Is required, electricity is sent through Q
series of meshes of wire, whose high re-
s~istance causes 1t to become hot, and the
air passing through these is given the heat
required.
The largest and most powerful wheel in
the world is the description given of q
water wheel in operation at the Burden
Iron company's we'll known plant at Troy,
N. Y. 1t was constructed some forty
years ago by the senior Mr.. Burden, and
is an overshot wheel of /, 200. horse power,
60 feet in diameter, % feet in width, and
containing SO buckets, each 6 feet deep,
and is constructed in such a manner as to
be readily controlled by q lever, which
gives it any degree Of power required.