New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1876-08-12
APPLIED SCIENCE.

Of a roa is introduced INTO glass flask, when Is |
then one;hr,i filled with boiling OLIVE OIL ana cioSeo
alright Will cork When LIGHT is desired t,e cor
is simply removed foI Az instant 90 admit tne az
and clear l.ht Is emitted tron the empty sPtc;I
the ilas Til, Intensity Of the hgo Wnch II G.''''
. ;sh.s nav IL renewed nv admitting ar again.
lantern tlus prepared !; is sald may y used coit.i-
uot sly for about sax months without Tue least 'o"''
WrRr-yoYl.S or PHoSPHoR- BEoNZE.-OS account
os the higher absolute tenacty and mower Of resist
ing torsion possessed by phosphc:-hfonzc wire "i
certain kinds over that of iron or Steel its ad'a'"
geos ai,plicatloh in the lufacture of wire ropes
co. mines yas antici'a'ad. The employment OF
such ropes tor sovcrs. yea~ in England b'iAiuhi'
and Wesiphalia has so completely suostanua~F' INC
theoretical calculations that ter ust Is tjG r,Sc VS.
coming mon genera Thee 'r'j eeS,- u Is ~ nr Nc
,ocstcr than OF thos, of iron or steel hui. on Ae
otbcr hand they afford much rrcstsr security IL"
al least nncs ~ icg - thesS Oh 800 49, a.,
when unfit for use. the NJ j. h'iii WI ' :" eN
nat Of the original cost.
OscIrpED HYDROGEN N so-cAIIED EXPLOSIVE
A>riMgNy The presence o. considerable amount
Of chloride of aathncny was der onstrated several
wears ago by Prof Boetg ger IL the socai'ed expo
sive au,monv formed the negative pole. consist
ing Of fac platinum wires, the positive one beng OF
massive antin,onv, When the current Of single Jun
sen element Is passed Tor three four days. through
oeciuol soluto on OF tcrchlorido of anthony, with
RESISTANCE of about 600 feet oi copper wire ID the
circuit. He has recently also detected oecipdea
hydrogen in H. possessing identical reducing prop"
oites with the hydrogen absorbed by palladium.
Thus il the r'atinum wires, covered with recently
deposited explosive antimonv are placed m very
0ute aaucciS solution OF fcIfGcS t!nCe o1 Potassium
The Partial conversion Of he iftter into teilo-
cyanide will hc evident IN course o. ~ ..
IL u,inutss Pure antlmcny, perfectly 1rcc 1rGln
orseuic viii no. produce such "a result Since the
li0uid einploycd II lVdTOch'o1' aFld tolhtloA ihe
liberation OF ft@cous hydrogen 81 the htf 'NNe "9'
I,F AZ prf ltl.
might be eNpoctcl, bat 1ot the slightest trace I" IL
could be detected while, Oh he otho: had, thc
presence of chlorine al the ne@ati,' pole CON,
firation with nntimopy, without he cvouuon OF
hydrogen, is remarkahle that II SoHInh -
te, other metallic chlorides thus eectroiyiic'@IJ'
Rort1rox OF RIFLED PRoJEcTnrs.-In recent
manor by Can't Noble there is given the results OF
soma investigations into the absolute yslUos u pres
srcs exeTted b. proJectilcS IN lifted ca non. against
the spiral fanec or groove by means Of which rota-
tion is given 70 the shot This pressure, OF course.
depeuds on the al gle of the rGpg. in certain sys-
te,ns OF rfng studs may have scarcely any wor> 20
do at the m,zzle Of :hc gin, while thoT iney be &C.
yeIelv strained at the commencement o. the MOTION;
b. which means an unnecessarily severe STRAIN Is
produced tending to in1are ,he gun According to
Cant Mobiles Investigations, guns shcIld be riiicd
wi.Fsp increasing TWIST /. rifcd witt q uniform
twist it is possible, rs in Il case quoted ny hin'
that the pr ssure on tie s;udS ma amount to GS
tons during tee il,i six inches OF TIC 'A'' MOVE
ncnt, but have diulnisEod 10 nne tons bA le u'Ae
fhc slt leaves tie uuyzle: whereas, IN the case OF
The accelerated 0arGbolic -vist, rs ordinarily con
stuicted the pressure varies from - tons AZ ne
bGsgang d IL Icspt to sf Which he ani@c he
s;ates that IL tie 10-'nch gul the press nc on (e
studs due TO lifting IA hu' sl9?l ilactl"n an" -. -
10 tie shot md that the Increment OF the ga. coS
IgCSeurc. OF tie pressure tending to bqi5l me gun
dae 10 riiluR * CXcccdiacly small Eoth III t' case
OF The Uniform and the pGTaboiic rililE eSo tie?-
rctical n uts entirely confirmed 10y 'Hc pen
Isc,ts Il The Fyplasivc Committee Of the Ordnance
Eurcpu who have found re- EciSlhLe am c.lce VI
pressure III the lOiuCh gun as leu III the fhct ana
unrifcd states.
THE NFw-YoRE STATE COLLECTION or MIN
rRALs-Ilic work Il rearrancng and labelling the
s,lection Of NeN-YoTl State minerals Las inst
been completed Ivy Prof. ~ II. Chester Of
Hamilton College, under the direction Of
Prof Hail. curator of the collections at
The museum in Albany. This collection was in on
extremely dsarcaUizcd condition, as the result oi
nearly twcnty years Of almost entire neglect Ii
was made out Of the Beck collection Of Safe min
erals set mp in 1892, and Dr. Emmo'-'s county col
lection got toccthcr about the same time. IN 1857
the curator Of our museum, llr. Gcbhard. consci-
date(v tie two collections and arranged the spcci-
,ers on she.., ia mich their present position, tut
no rcIanelirg vas DONE although things were al
ready considerably mixed rrof. Hail. who has
been curator for a Number of years, has been fully
occurieI with work the other collections, partl-
cnllTv with the fossils and ~ preparing the very
valuable STATE reports which have appeared from
TIM To time Tie only work done the
minerals La, been 30 take tIcln down ana wash
them occasionally, AND the lep&tS ihch oN guess
and o.s couscnru nee nearly all the labels have been
lost or misplaced. so the work OF putting them gu
Iieht again has been no easy task. 1t is 70 be
regretted that no more attention mas heeh pahl 70
this subject have the material Witblh c!ii own
borders 10 make a collection tuat scentihc men
would come from i8r and WlGc to oN"inlhc .s 1iey
have IN pu,~s past visited famous Localities as
collectors. Tie collection at albany. though OF
considerable value very Nnperfcctly represent tiio
mineral wealth of orr State call upon our seen
ilfc men aud institutions for such ma'cil@l, "DH.H
undoubtedly meet with "a ready response, ana very
little Ncll-GirCcjcd ehort might make ON >tGte
collection % minerals nOge ncaIiy what II should De-
OK JADoPANDl-Amonc tic most remarkable OBJ
iee;s of the Bate-ia Bedca lately introduced to
tico is one known as JoJo,od;, and especially note
worthy from its power OF producing a rapid, prompt,
and intense salvation aud such considered easy
of Application for the purpose OF testing is modci-
nal virtues he plant is native of Brazil, as the
PilooafpaS pianafEs. -Four grammes of the leaves
dissolved ii l25 srammes Of boiling water or III 20
erammcs Of Jn alcoholic solution, will bring about
al the end of twenty 10 forty minutes persplraton
which continues from one 20 Two hours and IS
enough t. completely satUUate the clothing or even
tie bedding OF the patient with moisture TO an
amount estimated at from three TO five hundred
rrauimes DR. Albert Robin has lately received a
prize OF 1900 francs from the Barber prize for an
essay upon The applications of this substance; and
In addition TO the determination OF the facts Just
mentioned, nc has shown tlat in the amount of
perspiraton thus produced there is al elimination Of
urea Of about erammc and Of chlOudeS Of
about one grammc and half Experiments have