The sun., 1894-05-06
ANTWERP FAIR BILLIONS.
Ono VIII he Trolley Air Car aud the O,her
Monster Acro.ta'.

| From he Baltimore AmsriouH.
Two very i'm mportant features Of the Antwerp
| fair are to be the grand bdlion d1ioedGle. or
| large navigabe balloon and the aerial chateau.
| II these two ventures prove successful and
there is every reason to believe that they will.
as models OF both have been built and sue
cessfully operated-enginesrs predict that a
new epoch In aerostatics will be inaugurated.
The construction OF the navigable balloon 10
based on the principle put forth by Lieut..
Clement de st. Marco. 1t consists In sending
| an electric current to an electric motor.
placed In O easement which Is suspended
by balloon. the electric motor to oper-
ate propeller situated In the anterior
part OF the easement. the current to be con-
cable towed by tho balloon and sliding along
Al elevated aerial way by means OF a trolley.
signing engineer ami constructor. he seemed
very sangutne as to It's successful issue. and
ton I Wee wefs SC SO SoIuminoGs that only the most
salient are here given.
,o The 6a,lSOn is the A largest o. an ELONGATED
me will hH' IL the Wit 99ts b
nsG minimum Mn," of ascensionSl forc. anu 1905
pounds. to be utilized az follows:
Triple envelope of balloon, easement, and aeces
Electric motor, propeller. and msehanieai ap.
Passengers crew. ballast. and remaining sscsa.
hoaAl force ree'..........,,......'' .....'.... $3.50
Total
The coats OF the balloon. three In numbs:.
require not less than $4,000 feet OF tissue for
Into three distinct sections; the centre which
Is the governing station Is occupied 6y the
ana aSpsuSeS Snse5 es
manTuyring OF tho balloon IL also here that
the pliable Fable Is attached. which binds the
balloon TO the aerial way or track. The an
terior part Of the easement Is reserved for pas
sengers Il has the appearance Of tho saloon
accommodate thirty people.
Inc poSieror part is reserved Tor the a. ma.
OF l45 horse power. which operates a pro-
peller 2d24 feet in diameter. having four
pnS 81 Syns the s6os an wsan Is spssd
OF twenty-five miles per hour; u reel for the
aploma.le winding and unrolIing Of the pli;
able cable. and a yentilator, destined to MI
Of the large s on". Ga lSs small RsTnS Sf the
gas and the porositg o. the the enveiopS. A At the the
end OF each voyage and during the night the
SheS me W.hsr SSrHns
wind and yet not suffer from Us elects
q ssiysnizsS steel thSssds. and Rsyias
cables are supported on pillars tet4 feet in
height. placed along the streets. The electric
tors OF 200 horse power each; Il is conveyed
along the aerial way TO the trolley from tho
trolley TO the pliahle cable and from that to
the electric motor in the easement, where IL
furnishes the motive power Tor this screw.
The track Is to be laid from the house In the
0ity to the fair grounds. about mile.
Iho other venture in RsTostatlcs -le Chdiedu
dsfteIi-eonsists. as its name suggests. Ia haY-
Ing q castle suspende1 In mtdair ~ means OF
balloon. This gigantic enterprise is not ex-
pocted TO be In operation until late In the SUM
mer monster balloon. with u STRUCTURE at
tAohed to Its under surface. capable OF accom-
mOdAtinR over one hundred people. Is 10 he
euapsnded at distance ranging from O5O TO
800 feet from the earth. accordingly as the
weather and other circumstances may psrmiL
The balloon is TO he constructed Of three-ply
Chinese silk. 1t 10 to be III ided into five sen
aTate compartments. each one OF which will
have buoyAncy enough to allow the structure
to RTayitate slowly to the Garth. should the re-
manning sections rupture-a most unlikely
occurrence.
Connection between the chateau and the
ground Is to he established by means OF ele-
vators placed between four steel cables. each
eley ator being supplied with brake. to be
used In case Ot an aceiient. should the brake
refuse duty there ts a parachuts-like arrange
ment attached TO the elevator in such man
ner as 10 allow the car to descend unharmed,
The balloon Is 10 DO moOrsd ~ forty steel
shrouds, aud in such a manner that IN case Of
sudden tempest or other catastrophe. the
entire STRUCTURE may 10 quickly drawn to terra
nrma II one have not the courage to venture
to this startling height he may communicate
BY tslephone with his bTaYer friend. who has
made the ascent