Idaho semi-weekly world. [volume] (Idaho City, Idaho Territory) 1875-1908, 1888-12-11
SCIENCE AND INDUSTRY

''-N f's1o0tnT
fannin has been discovered M AN
animal substance by NJ. yillon. a
French chemist, who finds that corn
weevils contain about three per cent
Of it,
The Germans have discovered that
the pollen OF the PLANE tree produces
influenza. exactly like what in thi,
country is called .'rose cold'' and "bay
fever"
French Physicians are reporting
great success with the prompt internal
use OF an antiseptics in cases oftvpboid
fever. After disinfection OF the intes-
tines, according to this method, the
disease runs Il short course.
Paper is now manufactured from
seaweed, according to a process re-
Gently invented in Japan. The article
made In this way is said to be so strong
as to be almost untearable, is snffi-
GENTLY transparent to admit of it's being
used as window glass, and takes ali
colors about equally we'll.
DR.. Zambaco of Constantinople.
who has lived for several years among
the lepers OF the far East, says that he
has never met a single instance OF conta-
gion. although the malady is certainly
hereditary, the children Of lepers be-
coming leprous at the age OF ten, fif-
teen and twenty years generally.
The increasing application of cleo
tricity in mining work is based on the
solid foundation of economy attained.
The Aspen Mining and Smelling Com
pany, which was one OF the first to put
electric motors underground for pump
ing, hosting and haulage, have effected
large saving In the cost Of their ore
through this means
j. Norman Lockyer, the English
astronomer, computes the total number
OF stars OF which some knowledge can
be gained with the optical aid now
available, at from 10000, 900 to SC, 0O0,-
900. Only about 600 are visible to
the naked eye 5000 in the Northern
hemisphere and 5000 in the Southern.
After experiments on the relative
merits Of castor oil and of olive oil a.
lubricants. the italian Admiralty has
ordered that the exposed parts of the
ships machinery be fabricated exclu.
sively with castor oil, and that mineral
oils be used for cylinder and similar
fabrication.
When the first electric telegraph
was established, the speed of transmits
sion was from four to five words a
minute with the fve-needle instrument
in 1919, the average rate for newspaper
messages was seventeen words a
q minute; the present pace Of the elee-
trio telegraph between London and
Dublin. where the Wheatstone instrn-
mcnt is employed, reaches four hun.
dred aud sixty-three words. And thus
what was regarded as miraculous sixty
years ago has multiplied hundred
fold in half a century Science.
The art Of tempering copper SO a.
TO give it a hardness and fine cutting
edge was known to the Egyptians
Greeks and Romans, but it is one of tn;
lost arts. Scientific men have vainl,
endcavored to redisdoyer it. 1t is pos
sible that the Indians of Ecuador have
as stated in the paragraph, accidental.
found out how to do this. but we wan
more conclusive evidence than has We
been furnished before we believe it
1t would be Of some value to civiliza
ton II the art We're rediscovered, bu
would not have nearly the Importance
it once had, since we have iron ans
steel now which do the work bette
than the copper tools and weapon