Sacramento daily record-union. [volume] (Sacramento [Calif.]) 1875-1891, 1882-10-23
SCIENTIFIC GOSSIP.

An underground telegraph system be.
tween Paris and MarseilIes is nearly ready
| for use.
Vivisection is to be rigidiy prohibited
throughout Sweden by order of the Gov.
eminent.
France in 1878 produced 1900, 600
pounds OF cocoons in 1879 only Ii 600, 900
pounds, and in 1880 IA, 600, 900 pounds.
DIR. Hewson asserts that the common
sparrow is liable to have small. poy and is
capable OF communicating that disease.
1t suggested by Herr Dueberg that the
moon may be habitable on the side invisible
from the earth, the water and the atmos.
phere being drawn thither by the effects OF
gravitation.
At a meeting of the Russian Chemical
Society on September 29.h, NJ. Mendele.
jeff stated that the specific gravity of the
petroleum of Baku was between O SsI and
o $50, and that it yielded large quantities
of vaseline. 80
Ultramarine blue is decided by N. Guck-
eioerger to be true definite chemical com.
pound, requiring for its formation tenn.
perature about the melting point of zinc,
and toward the end of the process even
still higher degree of heat.
In Europe electric railways are growing
rapidly in public estimation, not only on
the Continent, but in Great Britain. Al.
ready 100 miles of electric transit are in
operation, and there ia every probability of
the total mileage being considerably in
creased before the end of the present year.
Sir James Paget is indignant at the ma.
ture OF the English law against viviseetior,.
may" he says, pay rat. catcher 10
destroy all the rats in my house with any
poison he pleases, but / may not myself.
unless with license from the Home Sec.
rotary, poison them with snake poison"
On September LIST it was announced that
the admission of new pupils to the course
OF medical training for women at the
Nicholas Military Hospital, st. Petersburg.
will be discontinued after the present term.
When the now entered students finish their
course clinical instruction for women at'the
hospital will cease.
For the second time the promoutorv Of
Posilipo, west of Naples, has been tunneled.
and Is TO accommodate steam connection
between Naples and Pozzouli. Thtre was
an ancient tunnel there passing under
Virglfs tomb. Some suppose that the old
tunnel was partially natural formation
and that 1t had been enlarged by the an
cient Romans.
1t is asserted that the electric lighting of
the Vaudeville, on the Boulevard Mont.
martre, has far exceeded the expectations
of the most ssnguine. In double sense
it is brilliant event Every night the
hall is densely crowded. It seems that
the power employed is Il-horse power
which Nth
lators, is sufficient to keep $50 Swan lamps
in a state OF incandescence every evening,
Captain King, OF Paris, makes a posi-
tive On glass from negative, and on the
same glass, in this way The back of the
negative is covered with soluble bitnmen
or asphalt, and then He'd thr5de(>
the negative. After IA exposure sufficient
to render the light part insoluble the re.
mainder OF the asphalt is Dissolved off with
any OF the usual solvent, and the result is
a positive. The silver negative is then
clssoived off with the chloride of copper
and fixing agent.
An artist of Florence several wears ago
introduced method of painting on silk or
other line fabrics in such way that tha
surfaces OF the colors were not damaged
when folded or rubbed, but remained as
Dflgnt ana az smooth as when first put on
by the brush. The medium of the Adolf
process is no longer kept secret, as it is
protected by patent. 1t is manufactured
Tor the nse of amateurs and others. Some
Italian artists, it is said, have tried the
medium for ordinary oil painting on can.
vas.
From paper read befor. the Rvsi s..
elety OF Tasmania. tse-RReS j. E. Teni.
son wood, ISa3peNs that the sweot-briar
mas become rampant and formidable wead--
ana s9>haye the cocbineal cactus ~ sa.
or two of its kindred developeA n, re
lar nuisances in Australia ~ vss-1a.lsa.
lee Enrnnasn fnrzs E.-s -.-- .a.. very
abundant in Tasmania .s. re-.
not flourish on tle x Als.s5ris
The American butt y, E-a ..ss57z-
occurs all over AUSTRIA u,a- sen
far out at sea in enormous flights