Savannah morning news. [volume] (Savannah) 1868-1887, 1885-01-04
BITS OF SCIENCE.

The Germans now make the most deli
cate wheels for watches of paper pulp.
A very thin coating of glycerlne will
prevent frost or steam gathering on a
window pane.
Allzarine oils consist chiefly of basic
salts of common fatty and, in less amount,
of sulpho-fatty acids.
A New York eXperimentor has pro-
duced % feet of illuminating gas from
about II ounces of garbage.
In Buffalo, n. Y, 1900 telephone in
struments are supplied from electricity
made by the water power of Niagara
Falls.
The light of an electric lamp travels at
the rate of 1877, 200 miles a second; that of
the sun 1885, 500, and that Of a petroleum
lamp 1856, 700.
Resins are hardened by the addition Of
lime OF other alkaline earth, which trans
forms the acid contained in the resin into
a salt of lime, etc.
The symptoms of maIarial poisoning
have been produced in animals by the
subcutaneous injection of waterY ez-
tracts from marshY soil.
The loudest and most resonant bells are
made in the form of tPuncated cone, with
the lip or hammer-swen of extra thick
ness and the head concave.
1t is maintained that alkalies are al
ways present in beryl, replacing the be-
ryllium, and that water is also present
and cannot'b be disintegrated in the for
mula.
A rainbow about % minutes after SUM-
set was recently witnessed in Ireland. 1t
was evidently caused by the light reflect
ed upon the clouds from the glowing
Western sky.
Two cases of the successful joining of
divided nerves have been reported to the
Paris Academy of Sciences, function being
restored in one case to nerve which had
been divided for 10 years.
The paper bottles made in Paris are &C.
mented with a composition OF alum, lime
and blood-albumen. Neither water nor
alcohol has any effect on these bottles
and, of course, they are not easily broken.
A Swiss naturalist maintains that there
is only one coloring substance in plants,
and the various colOrs of flowers are only
due to the notifications produced in this
substance by the acids or alkalies con-
tanned in the plants.
An important discovery in aeronautics
is reported from Germany. BY the aid OF
compressed carbonic acid the gas in bal
looms is condensed or expanded at pleas
ure. causing the balloon to ascend or de-
scend at the aeronaut's will.
The Importance of acquiring a better
knowledge of earthquakes has become so
well recognized in Japan that the author
tiles of Toxic University have instructed
one of their officers to devote himself
wholly to earthquake phenomena.
A good substitute for ground glass is
made as follows: Work together equal
parts of white lead and common putty
until quite soft, then form it into ball
and rOllit over the surface of the glass,
and a ground glass appearance is the re-
suit.
On some occasions NJ. Coliadon has OBJ
served that two or three seconds after
hailstones had fallen to the ground they
sprang into the air again to a height of
from s inches to more than II inches, as
if they had been struck upward by the
earth.
There are at present in Austria seven
jWte-spinning mills, with total of 1886
spindles. The weaving branch is credited
with II weaving sheds holding $50 power
looms. The jute goods find increased APP
plication for decorative purposes, and in
the manufacture OF furniture.
After many years of experimenting, a
German chemist claims to have succeeded
at last in coating instantaneously all the
ordinary metals and their alloys with a
tam film of brass, which can be varied in
color. He uses only single battery cell,
and obtains at will solid deposits of vari-
Gus hu6s and brilliancy.