New-York tribune., 1879-03-01
SCIENCE FOR THE PEOPLE.

To THE NORTH POLE By BALLOON.-COm-
mandcr Chcync OF the British Royal Navy, l. making
efforts get mp expedition TO reach the North Pole
y means Of balloons. lie Is experienced Arctic uayi
gator having served under sIr james Ross and has
secured The services Of Captain Tcmpiar, welknown
Gcr0naut Commander Cncyuc believes that Tie Gun
Stream sweeps round the polar basin. and returns by
the north ana Of Greenland great body Of cold
water. He proposes TO utilize this current in the ol
lowing manner: The ship would y occcd up DayIso
strait Bains Bay; them turning 70 the west would
steam up Lancaster Sound aud Queens Channel {" the
furhest 1plOrcd point She would next take anorth-
nOIthwcstery direction until the set Of the current
was felt when her course would bc altered to
due north. In any case. she wOud push on
through every available opening IN the lee INIT.
her advance was definitely arrested by the advent OF
Winter. Ia addition 10 the usual equipment of scdgc-.
etc. the vessel would carry several balloons, eacn on"
capable OF Nftng about ton weight IN addition 10 th"
men. when the snip became bcset the pack three
balloons would bc inflated and Joined together by means
three Hgh spars 60 feet tong. Thus triangle would
be formed. with balloon at each angle The whole
together representing lifting power OF about three
tons. This power would be employed in carrying thc
scd,,s provisions. tents ballast, c,c Com
mandcr Chcyne proposes during The Winter to establish
two ohscryatOries ahoIt thirty niles apart, Wit Hc
snip centre 50 that by the end Of Nav the bdoon
may start upon curve already dsctItaintd VIA
torrdhr accuracy. BY this means. the dstan Of the
vessel from The Pole and the course 70 We followed cn
luovn ~ travellers would hc enabled 10 drop within
fen or twenty miles o. their destination Wire trai
ropes would be used for preserving an equal altitude
above the ice When it necessary 70 de- ccud. tho
ga. would he preserved nv rcconpGc->lng H. by mcchaU
cal mraus into the rcceVtr there to b" fcd IN Icadi
for future use II the lohrlcr should haN" been
successful and the wind favorable, the return iris
would he made, the balloons being arrested on
IN" raraile OF latitude upon which thc snip w@s lcft
would send ont scdcc parties daily 10 meet the
bal 3Ons and give wnatcyer assistance might be
required. ON the bTcahihg up ~ me ice the
sup would her Winter qnarters and push round
Tho northern cXucWItyC Ct Greenland. second Win cr
woud here hc pa s@i ~" time being spout IN making
survey of the and other scientific observations
DuthY iHe o'Io"IHs ou.I'l ''ou ~ ll "'luh 'IlI'
ing, and home between the continent of cen
land aud Spizbcrsen. Should 10 favorable wind arise
however to cary him back from TIC Pole to hi7 SNIP
Commander Chcyne intends conl'nnins his aerial
wherever Inhabitants aTe 10 pe seen.
WONDERFUL TESTING MACHINE.-Thc great
machine designed b. Mr. Albert Emery, iog the
United STATES Commission for testing iron and steel
which nas been in process of construction FOR tnr.c
years past at Watcrjoau Nia-,) Arsenal, is com
pleted. cXEerlm ental tests made with II the
preecncc Of the commissioners thus Described lc
Boston IrUrc6tr: The merit Of this new t,suu machine
r. s great power united with II. mat accuracy
1--WE inch bar Of ii0n pulled apari, ana the strain
registered in doing it was - 900 pounds 10 ac, 90,
minute eNactuess, horse hair Wa ncNt admitted 20
tLp strain ana IL Nindcd iOa rr-l-jHIrd Uic, tWu
pounds, Again. a pine block Of ionI Inches TN kuo-,
ard two rect len sth Wd. tdE-I auu p4.~,,d into
board OF two inc1ca thcLnrs Ih'u o ae oriain s re-
dncnrnt of accuracy. u uca'- cSE Va. ta,cn AMI ia
closed n plaster of Paris With t~' small holes IT each
end and. the pressure being applied the cJutcats
forced of these small arriur ~ strain Of trt,
two pounds and such - the command cN"l The action
the machine that the rresanir Wa -topI"d ~
the egg remaining uHIlOhcu rut Vd- also cracked
ly the machine without Crushing tho kernel. NJ .Ich
ulcrty OF regulated pressure, 'ombhoH "nh surh am
oupruuu- range q amt ti-p Ct O. -!4tr..
of tie strain cA"Icd, ha, ever b'lo ucon attained
Tie cost of tn" ntrlat !" ~" Gov iH'n''t under ihr
c,ntructls $3l OO1, but Nh Lmuy has 'yp,udrd over
100000 m Irri'ctmE IT,
Carbon AvD TIE Electric LI,ur.-M Az
Naudat cIpr,s-as very decided conviction taat car
bon and not platinum or any other metal, the best
material for the production of the circfiic light by
means Of incaud"sc.acc. In support OF this position
NJ Nlaudct adduces the following arguments: % At
equal temperatures carbon po,sosc- power Of rada-
ton in excess of tnat Of platinum C2 The heat capac-
y OF platinum far greater than that Of carbon, aud
the former consequently, requires Iar greater amount
Of heat than the latter 70 BRING 10 given cmpera-
turc. 81 Carbon IS worse conductor Of electricity
than platinum, and, consequently, NAV be of greater
dimetcr without the temperature beng reduced t4)
Carbon is absolutely nuSDit, ana ihay b, brought to
wbIte heat TItnod the circuit Ot!hG interrupted owing
to lurlon. la thc SA"leI-Mhh t'ttlIc H-ht ia WhCh
ucandcsccut carbon - used, the pencils are formed,
cOrdng Ihe Scientific American, by special process
Inc carbOns are aDou' nI a" INC !oh.' win Tie diam
ctcr Of onc-a1tccntu OF an IHcH tAr1r color steel
gray, and the surface - hard stccl; within tho
bon II toerdbly soft In Ms Garner experiments MI
sawyer employed ~ the source or lnchndcsccnce rru
ptuth ItOll ttIHOl ID 81 Atmosphere O u
Eliminating gis. The cdrhous were slow destroyed.
bat The time thcy took superficial deposits
evidently OF carbon hut unlike IN lustrc and hardness
carbon that Mr.. sawyer mad seen Inierrug that
more rapid deposit would be made IN den-cr hydro
cdINOu, Mr. SaWy cXpcrimcnt,d with great variety
or sucu liquids. finding olive on most satisfactory IIs
method II SIMPLY 10 heat the carbon 10 extremely
hgH temperature passing through electric cur
rent while II n Immersed IA The OIL The best
obtained by the us OF pencil Of willow charcoal
which an ntennry hard deposit Of carbon rapidly
forms the LydfocaIbon Is dccOmposod by the heated
pencil
WHAT HAS Mr.. EDIsON DisCOvERED7-1
London papers have obtained from Pdri- copy the
specialization hlcd there with Mr. Edisons application
for patent for his electric light This document