The San Saba news. [volume] (San Saba, Tex.) 1873-1966, 1889-05-31
POPULAR SCIENCE


England only 1868 passed the
twenty-five were broken in tn
! test,
The explosive projectiles of Il
trian nine centimetal field gun are
lated to pierce armor at more ths'
yards.
Steel shields capable of prott
two men when in trenches and
proof at 1gc yards, are being ex.
mented with
It has been calculated that not
than 20. 600, 600 of meteors, each lar
enough to be visible as 'shooti
star enter our atmosphere daily.
The new lifeboats ordered by Il
British admiralty for torpedo scouts are
made of two thicknesses of rubber, and
have speed of six or seven knots.
Professor Ayrton says that the Victo.
rian age will be more remembered for
/ the economical transmission of power by
electricity than for the electric telegraph.
Interesting experiments are being
made in the uses Of instantaneous photo
graphy for the study of the resistance of
the air to tire movement of projectiles.
Powdered resin, according to H.
Hager, Is liable to spontaneous combus-
ton, owing to oxidation by the air, aud
it should be kept in tightly closed tin
boxes.
The fact that electromagnetic induc-
ton tends to equahze the retardation of
phase for all potentisls has great bear
ing on the clearness of their production
of sound in a telephone.
It was fouad that the loss by evapora.
ton from large tank for supplying the
city of Nagpur with water was in the
hottest season two and half times as
great as he quantity supplied for COZ
suneDtf51.--
Examinations in English schools go
far toward proving that color blindness
is often declared to be present when
really no organic defect, but only poor
training in the naming and distinction
of colors, is found to be the trouble.
The statement is made that aluminium
has been successfully manufactured from
Kentucky clay. A plant was erected at
Newport capable of turning out ton a
day at an approximate cost of $44. The
price of aluminium IS now So per pound.
The new wave motor at Point Lobos,
Cal, is nearly completed. 1t utilities the
dashing of the waves by turning their
power to practical use. When wind and
tide are favorable it IS expected that the
motor will run from twenty to twenty
four hours day.
Large quantities of corn husks are now
used in Austria for making coarse cloth
and very tough and durable paper.
Wood, also, is made into cloth, Mitseher
Itch having devised = process by which
the fibre may be strengthened and pre-
pared for spinning.
4 much better preservative of food
than the borlc acid, etc, now used Toy
keeping fish should be had in sterilized'
infusorial earth, in the opinion of Pro-
fessor P. Wage, the Norwegian chemi
Enormous deposits of the earth W.
discovered in Norway last year.
Musical tones may be produced fl
sand, concludes Mr.. c. Csrus Wilson
the grains are rounded, polishcS,
free from fine fragments, If they
sufficient play to enable them to ~
Out against lut OtHels II tAeg oAS ..|+|
fectly clean, and if they possess a ce
uniformity and range of size
One of the most interesting
tons of electric power to mining
at the Drane colliery, near
where coal cutter is operated &
tricity, a Sprague motor being
conjunction with the cutter, devil
Mr.. F. N. Leehner, well knownI
pioneer in operating compressed
mines for the same purpose.
Aprosexie is the name =
Amsterdam, chooses for
and he quite singularlyf
is one cause of it.
quick to learn after
been taken from the
who had been troubled
buzzing in the ears
found mental labor eat
Grafton. s 4
How sponges bore int&
or shells is as yet an unsolvet1 =
NJ. Nassonoff has Investigate :
species of Clone which TUNE
and mussel shells, and he believ
the boring of the canals and gale
performed solely by the soft part
sponge. The penetration of Il 4
longation of the body of the spoI
the she'll appears to be accomplis
the secretion of q corroding
probably an acid