The Forest Republican. [volume] (Tionesta, Pa.) 1869-1952, 1889-06-05
SCIENTIFIC AND INDUSTRIAL.

A ton of common manure contains only
ten pounds of nitrogen.
Topeka, Kan, is said to have the long
est electric railway in the country.
The sound of the heart has been re-
corded and reproduced by the phono.
graph.
Peat contains on an average two and a
half per cent. of nitrogen, or fifty pounds
per ton.
The tanning industry will disappear if
the invention to make leather by cleo
tricity proves successful.
The largest compressed air mining sys-
tenn in the United States is about to give
way to electric transmission.
Given good construction and a suitable
soil for their resting place, lead covered
wire are practically indestructible
The use Of ice cut from streams, ponds
or lakes polluted by sewage or organic
refuse of any kind is dangerous to health.
The experiment of introducing the
virus of chicken cholera into Australia,
with the object of exterminating the rab
bits, has proved failure.
Hartford Comm electric light men
complain that birds attempt to build nests
in the lamps and on the lamp frames,
causing considerable annoyance.
The Societe Medicale de Bruxelles has
offered prize of S40O for the best three
papers on "The measurement of the elec.
trical currents in animal tissues
An electric fire engine is a new inven.
ton. 1t can be started at full speed is
much lighter than the steam fire engine,
and possesses various other advantages.
Botanists going to the Yellowstone
Park may be glad to know that they may
find 657 species of Towering plants and
ferns. This is Mr.. Frank Tweedy's
list.
The sun appears to be now passing an
epoch of spot minimum. Since the mini
mum of 1879 there has been no period
of unbrokon quiescence as that from
October 4th to oath, when not a single
spot was observed.
An English physician has achieved
some instructive experiments in the use
of the graphophonc for recording physical
symptoms, such rs coughs and pulses. A
cough of to-day can always be recorded
and compared readily with one of days
before.
DIR. Paul Gibier, who was sent over by
the French Government to investigate the
yellow fever at Jacksonville, Fla, will
remain permanently in this country, and
has been appointed physician of the
French hospital, New York city. He is
cultivating microbes industriously in his
laboratory, his greatest experiments being
with the germs of consumption.
Specials from Findlay and Tiflin in the
natural gas belt of Ohio report phe-
nomenal strikes of gas. At Findlay two
wells were drilled. One has n capacity
of 80, 600, 600 and the other of 10000
600 feet day. At Tifiin the pressure of
an old well increased suddenly, blowing
out the castings of an old well and burst
ing pipes in factory which used the
gas. This well has an estimated capacity
of %, 200, 600 feet a day.
A new sort of ram has appeared. 1t is
a boat furnished in the forward part with
a heavy cylinder like that of a steam
engine, about fifteen feet long with a
piston rod twelve inches in diameter
This piston rod, which will extend
through the bow of the boat, will be the
ram. 1t will be driven by force of
steam equal TO ESQ tons, sufficient to
pierce the side of the heaviest ironclad
with one blow. 1t is in fact a steam tor
pedo boat.