Clinch Valley news. [volume] (Jeffersonville, Va.) 18??-2019, 1891-07-10
POPULAR SCIENCE ,,l.
Electricity increases mine nroducti

" +.
Electricity increases mine production.
The most unalterable of water colors
has been found to be yellow ochre, terra
sienna, sepia and blues.
1t is said that during June and july
the insect life in New York State is
much more numerous and varied than in
any tropical country.
NJ. German See has discovered treat
ment for, tuberculosis. 1t requires the
patient to be wrapped in bandages satu-
rated with creosote four or five hours
daily.
One of the features of the grand parade
in Des S1oines during the Iowa State Fair
was an electrically propelled buggy, the
current being furnished by storage bat
terics.
An arc lamp with four carbons ar
ranged radially in nearly horizontal
plane, but having their centrally meeting
points slightly depressed, has lately ap-
pearcd in Paris.
Six miles off the Ladrone Islands, in
the Pacific Ocean, Russian vessel took
soundings few weeks ago and found n
depth of five miles, the deepest spot vet
found in any ocean.
The lowest body of water on the globe
is the Caspian Sea. Its level has been
gradually lowering for centuries, and
now 1T is eighty-fivc feet below the level
OF its neighbor, the Black Sea.
The latest terror discovered by the mi
croscope is the acarus sacchari, which
looks like crab, or even more so. and
which has been discovered to the num-
Der of 26S,000 to tho pound in cheap
sugar.
There is very little cbb or flow of tide
in the Arctic, but occasionally there are
very strong currents. All winter there is
n general flow of tide and ice toward the
south, while in summer this flow is north
ward.
The English troopship Euphrates
illustrates the progress of marine enci-
neering. She was built with simple hor-
izontal engines, after which she was fit-
ted with compound vertical engines, and
now she is TO be provided with engines
OF the triple-expansion type.
An interesting and uscfu. application
of electricity has recently appeared in a.
device attached to steering compass for
giving an alarm when vessel is off her
course. When the circuit is completed
bell is rung Which warns the steers man
or the Captain that the ships direction
has been changed.
1t is mistake to suppose that the
weather is colder the further north one
goes. The northern pole of greatest cold
is only about three hundred miles north
east of fakutsk, Siberia, where the mean
annual temperature is little lower than
IN the highest ATTITUDES reached by Mares
and Greedy 1000 miles further north.
One of the most ingenious lightning
nrrcsters yet produced has just been
brought out. It's automatic in its action
and the method by which the apparatus
is set for successive lightning discharges
IS an extremely interesting one. The cx-
pnnsivc power of heated mir in an incloscd
chamber is utilized in this arrestcr to adj
just it for the next discharge.
The worlds telegraphic hcet--that is.
the array of vessels engaged in laying
and repairing submarine cables-is now
composed of thirty eight steamships,
ranging in size from 800 to 5000 tons.
Two of these vessels belong to the French
Government, one of each to the British,
Indo British, Italian and Chinese Govern.
ments, and the others to private com
panics-mostly British.