The Forest Republican. [volume] (Tionesta, Pa.) 1869-1952, 1891-11-04
SCIENTIFIC AND INDUSTRIAL.
Paper belts beat leather.
France makes paper linen.
EIaot rso;t,. 6o.s, H.. l. f..


France makes paper linen.
Electricity heats laundry irons.
A four-day ship must have 1853, ZOO
horsepower.
About 4500 species of wild bees are
known, and Of wasps HOO.
The electric motor is said to have
now found use in connection with
nearly 300 branches of productive in.
dustry.
The greatest known depth of the ocean
is near the Ladrome Islands, where
soundings have been made to depth Of
36, $50 feet.
Mr.. F. Walter claims that an alloy oil
ninety-five per cent. of tin and five pei
cent. of copper will strongly cement
glass to metals.
1t has been lately pointed out thai
the air is much contaminated with arse.
mic, especially in English cities, from tn,
burning of coal.
A German substitute for leather il
some of its uses consists of thin boards
with wire netting between, the whole
glued together and pressed. The mate.
rial is tough and pliable, and suited fol
trunks, etc.
An instrument whereby star is caused
to record with absolute accuracy the
time of its transit across the meridian
has been perfected at the Georgetown
Is. o. College observatory. The instru-
ment is called the photochronograph.
The fourth edition of the Russian
Pharmacopoa is soon to be published,
and will describe 808 substances used in
medicine. In the third edition the num-
Der was 1926, of which 318 have been
discarded, while 100 have been added.
DR.. NJ. @. Cooke, of London, finds
that 1900 species of mushrooms and
toadstools are now known to science,
1400 OF them being found in the British
Isles. Only 134 can safely be regarded
as edible, while thirty are decidedly poi!
sonous.
A locomotive steamboat" is being
built in Sweden for the navigation of
chain of small lakes separated by falls.
The boat is to be fitted with wheels fit.
ting a track, and power can be applied
either to the propeller or to the locomo.
tive driving wheels.
Professor Frank H. Bigelow, the emi-
nent astronomer, is said to have com.
puted, by very complicated process of
calculation, the exact period of the suns
revolution on its axis. He makes it
twenty-seven days, nine hours, fifty-two
minntes and fifty-two seconds.
In Oldenburg, fall of temperature
from thirty-seven degrees above zero to
twenty-five degrees below is reported to
have occurred in twenty minutes on No
vember IS, 1890. A heavy rain pre-
ceded the change. Some thirty Kirg-
hises, who were returning to Oldeuburg,
were drenched with the rain, then frozen
on their horses.
DR.. Giraud's recent experiments in
France in the transformation of the
thermic energy of combustion into cleo
trical energy, and the consequent gener-
ation of heat, have resulted in the con-
struction of a stove which may possibly,
when modified and perfected, come to
Ievolutionize our present modes of heat
ing dwelling houses.
The enormous mass of extra dead
weight, due to the carrying of the boiler,
fuel and water in the old locomotive,
will be entirely unnecessary in the rail.
ways of the future, which will be pro-
PEELED electrically. Unquestionably the
future electro-locomotion will show a
motor on every axle, or, at any rate,
upon two axles of each car, and every
car running as unit, in which case they
can run coupled together in train or
not, as may be convenient.