Sacramento daily record-union. [volume] (Sacramento [Calif.]) 1875-1891, 1884-11-08
POPULAR SILENCE.

Kircher originated the germ theory of
| infections diseases 200 years ago.
In the coal formations of the world l47S
species Of the fossil ilora have been de-
scribed.
According to the latest results of the
finest instrumental tests an electric signal
travels at the rate of 10000 miles per
second.
Scientists propose to employ as a source
of emergency power for ships of war fur
naces into which petroleum is SPRAYED
along with superheated steam and hot
air.
German colonization is making rapid
strides in West Africa. At the present
Tories, divided among fourteen Hamburg
firms
F'iltering stone is now made by mixing
in water certain portions of clay, levi
gated chalk, coarse and fine glass, sand and
ground flint. They are modelled and hard
burned.
When in the formation OF coal all the
other circumstances were alike, NJ. \. Car
net is Of the belief that different species of
plants gave rise TO coal of very different
properties.
\ German chemist has obtained new
link between the vegetable and animal
kingdoms in the shape Of an animal gum
closely resembling the plant gums in its
physical and chemical properties.
Nearly 1000 miles Of underground telc-
graphic cable has been laid in Germany,
crossing seventy rivers, and seven or eight
miles is laid under water. Most Of the
cable contains seven wires and the rest four
Forty-fve years ago the britannia was
considered remarkable ship. She was
201 feet long. and her tonnage was l,l55.
| The new Cunard vessel Just launched ut
Glasgow Is go feet long, and her tonnage
is nearly 5000
According to The observations of IN
Havana doctor, reported in the annals of
| the Royal Academy OF Sciences in that
city mosquitoes may be agents for the
transfer of the germs of yellow fever and
parasites which produce elephantiasis.
". Dubois. Of Paris, finds that chloro-
form acts with extraordinary rapidity on
criminals after the introduction OF alcohol
into the system, and terminates in death
with startling abrupneSs. This discovery
may form a cew to the fatality Of chloro-
form in some cases.
From observed facts writer concludes
that in Indiana turtles always hibernate,
the soft-shc!ed species burrowjng deepest.
Frogs and toads usually hibernate, but
nevis do not and the more hardy fish re-
tire to the deeper parts of the water, while
more delicate species hibernate.
Il. \. Proctor says that electricity might
be obtained by utilizing the heat Of water
applied TO the junction OF two metals; hut
the current produced by temperature of
1862 Fahrenheit at one junction, and say
60o Fahrenheit at the other, would be too
small to lie commercially successful.
\ German paper give, the following
recipe for etching ink: Take equal parts
of double hydrogen ammonium Heuride and
dried precipitatc of barium sulphate, and
grind them in a mortar OF porcelain, then
treat the mixture in a platinum, lead or
sutta-percha dish with Tuning hydrohorie
acid until the acid ceases to act.
The amount Of carbonic acid generated
by lishts is thus represented; Electric
lights, none; argand gas-burner, As; fiat
flame petroleum. 95; cola oil light i !;
paraiiine candle, 1.22, and tallow candle,
l4j 1t has been remarked that the tai
low candle, the Oldest artificial light, is
not only the hottest but the most IN
healthy.
A foreign Journal furnishes the follow
ing formula for a nearly colorless cement,
suitable for glass "Seventv parts fine
cut, pure India rubber, which has not been
vulcmzed, dissolved in 100 parts Of
chloro;oum; when the rubber is thoroughly
dissolved add fifteen parts gum mastic. 1t
will require several days to dissolve, and ii
must be kept in stoppered bottles out of
the reach of heat"
German technical papers recommend the
following mixture for the staining of wood
in imitation Of cedar: Two hundred parts
: of catechu, 100 parts Of caIlstic potash and
10000 parts of water, ali bv weight. The
longer the wood remains in this solution
the better the stain penetratcs its tibers,
; and thick veneers can in this way be
stained right through the whole thickness,
: which permits 4 reiinishing without injury
to the color.
4 most extraordinary disinfecting COM
pound for purifying the sick-room has
been presented to the Berlin Medical So
cietv Oils of rosemary, lavender and
thyme, in the proportions of 10, . and y
parts respectively, are mixed with water
and nitric acid in the proportion of 80 to
u. The bottle should be shaken before
, using, and Il sponge saturated in the COM
; pound and left TO difiuse by evaporation.
Simple as it is, the vapor of this COM
! pound is said to possess extraordinary
properties in controlling the oiors and
efiiuvia of offensive and infectious dis
orders Philadelphia Record.
! HoEsroRp's AcrD PHOSPHATE. Beware