The Forest Republican. [volume] (Tionesta, Pa.) 1869-1952, 1889-07-24
SCIENTIFIC AND INDUSTRIAL.

American yellow pine is great favor
lite for wooden pavements in Berlin.
The Westinghouse alternating electric
current is said TO have killed twenty per-
sons.
A scheme is on foot for the holding of
an international electrical exhibition next
year in Edinburgh.
Tea is a strong narcotic and contains
an alkaloid known as thcine, which is the
active principle of caffeine.
Paper as tough as wood is said to be
made by mixing chloride of zinc with the
pulp in course of manufacture.
Locomotives to be run by soda are to
be introduced in Minneapolis where steam
engines are forbidden for street use
The latest railway signal indicates au-
tomatically the time that has elapsed,
up to twenty minutes, since the last train
passed it.
Quartz is said to be very useful as an
insulator in electrostatic apparatus, as
the troublesome sulphuric acid can then
be dispensed with.
Markings gun fires 700 shots per min
ute. 1t was offered to the American
Government but was declined. Now the
British Government has control of it.
The English service journals state that
satisfactory experiments have been made
in the application of volatile hydra car
bons in place of water for producing
power.
Petroleum, which has been used for
some time in connection with raising
steam, is now rapidly coming into vogue
for heating, melting and the working of
metals.
Every book drawn from public library
should be disinfected when returned.
If bank bills can carry and spread cpl
denies public books are surely unsafe un-
less disinfectcd.
An improved headlight for locomotives
has been designed. 1t has an adjustment
which makes it possible for the engineer
to conveniently direct the light, as he
may desire, to various points of the line.
The worst you can do to your face,
next to rubbing on poison, is to have the
barber shave you close. The English
doctors have protested so vigorously that
no English barber dares scrape the cuticle
of II customer.
biologists will be interested in the ex-
hibit Of the principality of Monaco at the
Paris Exhibition, as all the implements
used by the Prince in his dredging eX-
periments are to be shown, with numer-
Gus specimens of deep-sea fauna.
The chrotograph is pencil manufac-
tured in Germany for writing on the
skin. 1t is made in various colors, and
affords legible writing, which can be
easily removed without the use of water.
1t is designed for the use of physicians,
to make memoranda upon their patients.
The new powder which is now used in
the German army for sitting into the
shoes and stockings of the foot-soldiers
consists of three parts Of salicylic acid,
ten of starch and eighty-seven of pulver-
lied soapstone The mixture keeps the
feet dry, prevents chatting and rapidly
heals sore spots.
The "regal red poppy" has recently
been found to have the value power of
binding with its roots the soil in whichit
grows in such manner that it will prove
most valuable in supporting embanll-
ments. Already several French engineers
have undertaken the sowing of railway
embankments with poppics,
Coal-tar, formerly a troublesome waste
of the gas industry, affords us about six
teen distinct yellow colors, about twelve
oranges, more than thirty reds, about
sixteen blues, seven greens, nine violets
and Il number of browns and blacks, be-
sides mixtures of compounds, producing
an almost infinite number of shades and
tones of color.