Clinch Valley news. [volume] (Jeffersonville, Va.) 18??-2019, 1889-06-21
POPULAR SCIENCE.

Chicago bridges are to be turned with
electricity by means of motors.
1t is proposed to train naval signal
hen in postal tclcgraphy and electric
light signals.
A German artillery officer is said to
have produced new explosive from
:arbolic acid.
Experiments are being made with dogs
TO train them for service with the
ambulance corps.
One of the atcst inventions is three
sorncrcd steel nail that will drive easily
Ind will not split the wood.
Tho so-callcd annclid tubes of the
Sutherland quartzitc are said to DO tho
remains of terrestrial plants that grew
upon sand dunes.
Promoters of elevated railroads arc
fndng great encouragement all over the
United States. Most Of them will DO
operated by electricity, it is said.
A new electrical shell has Just been in.
vented, feet inches long and 200
pounds in weight, which carries pounds
Of cxplosivc. 1t is to blow up vessels.
Tho wire belt to run the American
machinery Mt The Paris Exposition was
made ut Beaver Falls, Penn, and is sixty
icct long and twenty inches wide, all
wire.
An cspalicr tree at Pollct, France, was
planted in 1880, and is now the oldest
IN Europe. 1t spreads 100 feet, its stem
IS three feet through, and il still bears
1000 to 1000 pears yearly.
The death rate in the ease of brewers,
commercial travellers, and other classes
exposed Ia the temptation of frequent
alcoholic drinking, is six times greater
than nll the other industries combined.
a wave motor, Tor utilizing the forco
Of the tides, is in scmi-smcccssful opera
lion Mt Point I.obos, Cal. Another wave
motor, the invention of II Lynn (AInss.)
man, is reported to have boon successfully
tested.
Services for the deaf nrc held in the
church institute nj Sheffield, England.
The preacher speaks into bell shaped
acceptance, from which tubes convey tho
sound of his voice To the ear of each per-
son present. 49,
laboratory intended mainly for the
study of bacteria in milk is to he csiab.
ishcd in Berlin. Infant mortality is
known To III largely due to unwholcSomo
milk, which can DO rendered harmless by
destroying the germs
An experimental tank 200 feet long
md twenty two feet wide has Just been
finished for usc nj Spczzn, Italy, to dc.
icrminc which form of ship shall have the
least possible resistance at II certain speed.
and 10 determine the relation Of power to
| speed.
a New Orleans writer says that South
crn florists are rejoicing in their ability to
raise the exquisite lily of the valley to.
lay after I'M immense amount of effort
Every one of the delicate blossoms were
impaired formerly, but now, by freezing
the bulbs, they can be had mt first hand,
with small expense.
Colonel Majcndic concludes that one
volume of liquid bcnzinc will render &c.,
900 volumes of mir inllammablc or 5000
violently explosive. Neither u glowing
coal sparks from flint aud steel or .
llamclcss fuse, however, will ignite the
most explosive mixture, nctual lame o,
white heat being necessary.
Artificial coffee beans nrc n curiosity o.
the German market. They nrc made from
roatcd grain flour, with IN addition o
dcxtrinc or similar substance, and til,
counterfeit is only detected by critical
examination. Two establishments oirc
for sale uiis clnmcd to make from 100t
10 700 pounds of these beans each pei
dry.
Curious minerals nrc found in Utah
Territory. One is deposit of num
eighteen inches thick and Of dazzling
whitcncss; n natural mineral wax, proof
against mir, ncd and water, and II perfect
insulnior. The deposit is three feet wild,
and II mile long. The Salt Lake is nm I'M
mcnsc limitlcss magazine of salt Hun
drcds of tons of sulphlc Of soda ar,
picked up on the banks of the lake blowp
there by the winds under certain tenn
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