Deseret evening news. [volume] (Great Salt Lake City [Utah]) 1867-1920, 1890-12-06

pieces or cores, and In form will he
n perfect sphere. u Is 10 he provii-
ed with n small interior balloon q
air pocket Peculiar 10 itself, and
whose CAPACITY will be 5000 cubic
metres The object Of this scontri-
vance Is tn keep the exterior bal
loon always completely inflated and
under an equal pressure. aud IL will
also 10 considerable degree obviate
The serios:s dangers incident 10 pos
sib,e sudden changes in altitude due
TO those hygrometric and thermo-
metric variations. which are the
principle causes OF the instability Of
balloons.
The interior balloon Is provided
with two automatic safety valves
and will communicate with . veIti-
iator OF great power moved by sn
electric engine. the ventilator will
be 80 under the control Of an exter-
Tor hand guage that when the gas
IN the exterior balloon expands the
Interior balloons volume Is proper
tionally decreased, white II the ex-
terror balloon contracts the other
enlargcs, and the Sivcl will remain
perfectly inflated.
The b,linn vii; be provided with
four small balloons of so cubic
metres, intended to lie let loose
above The pole, fer the study OF the
aerial currents. and four balloons OF
$50 cubic metres, which Will serve
10 furnish the gas for the principal
balloon. In proportion 10 the need
they will be worked by a windzss
under tine safety valve OF the large
balloon. where the transfer OF ga
will take place, after which the
travellers will get rid of the envelop
Of the empty balloon.
In order that the Lalloon nav not
mount too high. but will remain al
n oeTtais distance from the earth.
giving regularity to the photograph
&c observations Messrs. Besancon
an Hermite will fasten to their boat
guiderope OF considerable weight.
which, according TO circumstances.
will drag over the ice or float on the
water, and which, in case III IN ex-
eessive Citation OF gag, will hold the
balloon like n movable anchor.
The basket OF the balloon, made
OF wicker, with a steel framework,
insuring absolute r!gidiiy, will be
closed over aud maze impermeal,le
to water, Ike n boat. Its initr ior
will be padded so as to keep up in
the ehamter occupied by the aeron-
ants a comfortable temsera;ure,
which will lie secured by means O.
specially constructed and perfect
~ safe oil stove. The basket Is un-
sinkahie and will answer the re-
quirenents Of a beat, a bridge above
Il securing access TO all parts of the
machine.
The explorers will sail from one Of
the French ports, escorted by two
steam vessels, whose freight will be
the principal expense. Two vessels.
u seems, are necessary on account
OF the large quantity Of machinery
they must have to I'LL the balloon on
the spot, and TO produce the pur,.
hydrogen gas, which they wish TO
obtain by The military method en-
ployed at Chalais.
They will start On their expedi-
tion tie last II May, so as 10 reach
Spiizbefgen by July. They viii
Wait there for favorable winds. ana
viii start in their balloon Rs soon A.
hey have good south wind. They
think they can travel in the air
nom eight 20 ten days, and 10 not
believe the!E journey will r,auir.
more than four days. Having ri,ade
their observations, they will land
either ia North America or Western
As'-. and, at need, will prolopp
,.Asir voyage If they do not find il
desirable to come down TO the earth.
They give six months lime 10
their voyage. Experzes, 561.OOO
francs, OF which G0,000 flames ar.
for the laiicsn, and 100000 francs
fof means q transp IT Of the gas snd
scientific n atvFiaI.
On account uf the crca. care
Necessary in the construction G! the
1alicon, over which MC.srs. BcGsan-
on ami Hernitte preside. in ger
on, and tue experiments they wish
% make before hanl, their de-
arturo may he delayed until Is92.
We must acknowledge that they
nave studied the question well and
are trying with great care and
prudence 10 prepare for this novel
voyage OF exploration, AMI, on &C.
count Of their specisl knowledge,
lhey msy have a chance Of success.
CoRSELIA w. CYR.