The Forest Republican. [volume] (Tionesta, Pa.) 1869-1952, 1892-03-23
SCIENTIFIC AND INDUSTRIAL.
Glass coated brick, are announced.


About 1900 years ago we entered the
epoch of a more genial winter tempera-
ture.
Common wheat bran, or any kind Of
mill feed is recommended for extinguish-
ing oil fires.
A reverse of seasons is supposed to
take place upon this earth once in every
10, 500 years.
In his own laboratory Mr.. Altken cal
culated 80, 900, 900 of dust particles in
cubic inch of air.
Experiments with two straight edges,
separated at one eud by sheet of paper,
show that light can be seen through a
clean-cut opening of not more than
lao, 900 of an inch.
In some German telephone offices an
electrically driven clock is attached to
each telephone, which will work as long
as the telephone is off the hook, and
stops directly tits replaced.
Recent experiments have shown that
in the dog and the cat, as well as in the
rabbit, the removal of more than three
fourths of the liver is not followed by
serious consequences, and that the or
gan regains its weight within thirty-six
days.
Vaccine virus has been cultivated by
q Russian physician, who finds that the
artiicially cultivated is as effective as the
genuine product, while having the adj
vantage OF absolute freedom from germs
of scrofula, tuberculosis or other dis
cases.
Mr.. Haly, Curator of the Colombo
Museum, has discovered that carbolizcd
oil is one of the most perfect preserva-
tives of the colors of fish and other ani.
NAL specimens. The most delicate frogs,
snakes and geckoes retain their evanes-
cent tints when kept in it.
The first white enamel factory in the
United States will be located at Dubuque,
Iowa, and the plans for it have just been
received from Germany. The process of
manufacturing these goods Is a secret,
and that it may not be discovered the
building will be constructed without
doors and windows except those opening
in an inner court.
A French Psychologist reports an in
teresting experiment in preventive inocu-
lation for consumption. About eight
months ago he inoculated two monkeys
with the tubercular bacilli of the fowl,
and after six months they showed no
signs of the disease. These animals and
a third were then inoculated with human
tubercle, with the result that those first
inoculated still continue well, while the
third died after a few weeks.
1t has been decided to work the Liver.
pool (Eugland) Elevated Railway by
electricity, using motor cars, instead of
separate locomotives. The line is six
miles long, and the generating station is
being erected near the middle of the
railway. There are several opening
bridges, and the structure is composed
entirely of iron and steel, spanning for
the most the existing dock railway,
which will thus be left free for the goods
traffic of the docks.
Forest vegetation is much richer in
North America than in Europe, and com.
prises 412 species, of which 17G are ma
tive to the Atlantic region, 10G to the
Pacific, ten are common to both, forty
six to the Rocky Mountain region, aud
seventy-four are tropical species near the
coasts of Florida, as against 15S species
in Europe. Six North American species
of forest trees-the Judas tree, persm.
mon, blackberry, plane tree, hop horn
beam and chestnut-are also indigenous
in Europe, all now growing there natur-
ally south of the Alps.