Evening capital. (Annapolis, Md.) 1884-1910, 1891-01-27
PRICE ONE CENT
suIsNeg AM asvsSTEox.

The largest barometer Jet made haa
been pat in working order in the ST.
Jacques Tower. in Paris It is Al feet
. inches high
Indian ink is made in some unknown
way from burnt camphoE The secret
is known only TO the Chinese, and they
refuse TO reveal it
Il has been proposed to make tile
al per half Of war balloons of very thin
steel and the lower portion of ordinary
balloon material. tia whole so CON.
str1cted as TO hold hydrogen instead OF
ordinary gas.
Backing the nose and cheeks under
the eyes has been found an effectual
preventive OF snow blindness, or the
injurious effect of the glare from ilIumi-
mated snow upon eyes unaccustomed TO
it, IScientific American.
A certain amount OF air admitted to
the furnace above the live coal Is adj
vantageous rather than otherwise, IL the
supply be regulated. The oxygen Of the
air. thus introduced. assists in the more
effective combustion of the gases.
NJ. Faye. member of the French
Academy OF Science, thinks that it Il
feasible to predict storms twelve hours
in advance Of their coming by the sounds
which the changing atmospheric con.
ditions produce and which the telephone
will transmit
druggist in ST. Petersburg has in-
vented method Of tipping cigars with
a preparation. SO that they are lighted,
like match, by rubbing against amy
hard surface. A manufacturing CONF
pany is said to have paid him 90, 600
roubles for the patent
An illuminated cat is among the Curl
osities Of the Patent Office at Wishing
ton, ID. c. 1t is made of pastaboard or
tin painted over with phosphorus, and
it Is intended TO fiighten away ~rats
and mice and such small deer. in the
darkness Of cellars and garrets.
Among the new inventions seen at the
Mechanics Fair at Boston is method
of making ice by simply dropping =
few crystals in water-the secret Of
whose composition is only known to the
inventor. Not only is the ice made in q
remarkably short space of time, but ice
cream is also manufactured and eaten
by those who stand and wait
There is proposition to construct an
atmospheric railway 81 miles long up
the Jungfrau. According to the plans
there will be two parallel tunnels nearly
10 feet in diameter finished cylindrical,
| and provide with rails for the cars,
the cars will be cylindrical, and will be
| forced up the incline by compressed air
operating against their ends ri Amerl-
can MachinisL
A peculiar phase Of the use Of power
full projectors in naval warfare has been
brought out in some tests made by the
French naval authorities. 1t appears
that in misty weather the reflection and
glare of the light from the prof .ctcrs
served only t, blind the ship, and the
torpedo boats were able TO approach
within easy distancs and discharge their
torpedoes without being discovered.
The ordnance bureau is correct ia its
determination not to decide upon a
smokeless powder until European ex-
periments have decided which Is the
best for our purposes. The delicacy of
the chemical combinations which these
powders necessitate Is SO great that de-
terioration rapidly ensues when they
are stored in bulk, and the experience
OF the French in this regard Is quite
sufficient to caution ua
Philadelphia manufacturers have q
process for coating all kinds of metallic
substances with lead, thereby making
them rust proof They exhibit num-
Der of articles coated with lead that
have been exposed to the weather and
immersed in acids, that do not show
any change, either from the action of
the weather or the acids Some shingle
nails, so treated. placed side by side
with galvanized nails and exposed for
long time. show no appreciable change,
while the galvanized nails show signs
OF rust
1t seems probable that the great, at
least the immediate, future Of astronomy
lies in the judicious use Of spectroscopy
and photography, rather than in the in
crease Of optical power by the con-
struction of large telescopes Give o
small telescope with plate attached to
It time enough and it will see as much
as a big one will show to the most
sensitive eye. As dry plates viii retain
their sensitiyeness. exposure can be con-
tinued as long as desired, and such .
plate will show stars that are not visible
through the most powerful telcscope
70 the naked eve.