The Forest Republican. [volume] (Tionesta, Pa.) 1869-1952, 1890-11-19
SCIENTIFIC AND INDUSTRIAL.


The first electrical railway in Sweden
has been completed
The astronomers on Mount Wilson,
Call, report snowstorm on the planet
Mars.
An analysis of the steel made in Chat
tanooga, Tenn, showed it to be of good
quality.
A surface of only two square yards
sustains a blow from a heavy Atlantic
breaker equal to ffty-four tons.
The State Geologist of New Jersey de-
tlares that the State is sinking at the
rate of at least two feet in century.
A plant has been established at Por-
tage, Ohio, for manufacturing a substi-
tute for lumber from rice straw, an
abundant and burdensome product.
Charles d. Young, a Denver Coll
boy of fifteen, has just built the smallest
coal-burning locomotive in existence. 1t
is about five feet long and weighs 235
pounds.
The submarine boat, introduced into
Italy recently, which is spherical in shape
has thus far given greater promise of
success than anything that has been ex-
perimented with.
Miss Flora Grace, of Iowa, is the in
ventor of cooking thermometer which
marks the boiling point for meat, the
gently simmering altitude and the vary
ing baking points for meats, bread, cake
and pies.
A recent contract provides for street
lighting in Paris on novel plan. Power
is distributed by the compressed air sys-
tenn to great number of small motors,
each of which supplies current for a
small number of lamps.
Crushed steel-made by crushing in a
stamp-mill high-carbon steel quenched
in cold water from an excessively high
temperatures being used for cutting
stone. 1t is very hard, and cheaper and
more effective than emery.
Incandescent lamps placed near the
ceiling will cause it TO blacken, contrary
to general belief The blackening is not
due to unconsumed carbon, but to a cur
rent of hot air which deposits black
particles on contact with a cold surface.
The aerophor is new invention from
Germany of great Importance in textile
factories, and is being introduced into
the factories of England as well as Ger
many. 1t is an apparatus to diffuse mois-
ture necessary for spinning without injury
| to health or machinery.
Tests of aluminium bronze have been
commenced at the Watertown Arsenal,
Massachusetts, under the auspices of the
Government. The tensile strength wa.
/ shown to be over 10000 pounds to the
square inch, and the transverse strength
Sc, 900 pounds on a one inch square
bar.
The projected new way up the Matter
horn, in Switzerland, is interesting engi
neers. The rails will cease at the bas
of the "sugarlCaf" and the ascent is to b.
accomplished by succession of eleva
tors from one point to another. 1t
supposed that the work of construction
will occupy about four years.
An important innovation has been in,
troduced in the shape Of machine fol
preparing molds for casting. The ma
chine is designed to produce a complet'
mold at one operation, and thus to re
place skilled hand labor in making mold
from pattern plates. 1t is claimed that
lad can operate the machine with the as
sistance of a laborer, and is able to ran
and mold as many as 1000 boxes pc
day.
By means of an electric wire at Do
meme, France, the power of a waterfall
is transmitted three and quarter mile
from its source, to a paper mill, an
there utilized to the extent of two hun
dred horsepower. In the winter, whel
the deep snow for about two month
prevents any but electric communication
between the generating works and tn
mill, the power is sent as usual, and tn
machinery of the paper mill is kept i
motion.