, 1873-07-30

AA kAO OAA0* ~ bAppl4 tl11 HOW tun06l. kuQEuGT
vol was te be made and accordingly shaft
dor q foot 0 Inches ' in 'n dl.9otor motor
Tas t Tnk IN the crib to tho dopth Of 90 feet b.
bcneath old Miollgans botl. Tho shaft ss was
sunk 81, and everything wont along comfortably.
Ihen eamo tho necoHsity Of outing In tito iron
cylinder holc, tho size Of Tho now tunnel,
v,oI woso to moet. To- accomplish this purpose, a
circular mark ct tho required siGe, was mado at
tho r1ght dopth. Holos woro drilled through
tho thick iron wall, at this unpleasant doptl,,
Glose togoshor ed tho intervening spaces .bro
facilitate tho removal Of tho mass Of iron, aud il
Was taken out With oaao. But behold,
THE CLAY DID NOT ADHERE r.
to tho iron shaft evenly Tie water from above
tho clay waa too great, and tho now shaft leaked,
lIoro was catastrophe. Tho water was rieiu1
In tho ahaft. Tho mon onfloavorod to plug tho
holee but tho water still poured In, and. to mako
long story short, tho ahaft was full In no time.
but tho shaft was uBolesa. It Was Of no uAo
to pump the wator out, because Lake Michi-
gan was practically ine1hauHtible, and tho
water would como In aa faat as 1t wont out. The
fortably, nor repaired II it was reached. Thoro
WIS only one way to roaoh IL. and that was
"prossuro." An ar-pump, capable Of exerting
pressure Of about fifty pounds to tho squsro
by hermeteslly .soaled iron trap, Shout it eight
closed with another similar trap. Tho tubo
Which conveyed tho mir into tho oylin-
dor :, opened, BY this means into an
emotor and about 0 foot in height. Tho
upper trap was fastened down, tho lower ono
opened, and the air forced In. AB tho pump
poured its air In the water was forced back
into tho lake from tho place whore It entered,
until 1t reached tho leak, but no furthor would
# go. Hero waB pressure Of 45 pounds to
the aquare inch. All that was necessary was to
shut the lower trap or valve, let out tho con-
d9TsSd fa ar ab9yo n .ha and tue upper ono
10 could understand 1t from personal inyestigs-
tion, and before ho accepted Alr. Clark'a lnyi-
tation.
UNDER PRESSURE.
Tho questions asked by tho unfhshfonnbfo
man wore readily aud plainly answorod by his
now acquaintance and, being fully satisfied Of
the inBurmountablo Obstacle to his over amount
ing to anything, ho dressed like d minor III dirty
proof Jacket, and, borrowing cap from minor,
prepared to descend "undor proaauro." Skip
ping down into tho little air-Hght cham
tbsr' tn1o 1atf,z which nobody appeared anxious
to hold candle Willie Mr. olara @ and s'sae an ss.
Hstant. who was called Joo, and was exceedingly
pleasant and agreeable, olosed tho upper iron
valve, and tho tho we're cut OF from tho world,
AA5Abukt 1llu 4a6lll01lNQl0 HUClGEY.
n.Do you feel nervous n inquired Mr. CLARK.
:" Mo-, replied the reporter, who would not ad-
NIT anything at that moment.
" You will lind" said tho enginoor, I" TINT
fuboa sro too small to let tho air in readily
but koop thom cleared BY holding your noso and
blowing hard. Whoneyor you fool tho ofroct
either painfully or osherwiso, signal to me- and
! will shut on tho supply"
:, Tho reporter said he certainly would, and told
him to fro away, let In tho nir, and Try tho
neoted the chambar with tho outer air, and
moment later partially oponed that which con-
hot air rushed In, and in moment the reporters
moro It seemed as II some unkind wag
~ss oas o,r ,sm%ng 4 g.rs bs9eh H. club d 1to
shut Of tho supply. Swallow ho said, and
that will rolisve you." Tho experiment auc-
ceedod and again tho air rushed IN. AS lis ears
filled, tho reporter swallowed, until hts mouth
Sunday. His efforts to swallow woro frnt1ess.
The situation became ngontzing. Tho cluba
were being thrust into hia Brain now, It seemed,
and ho could stand + no longer. Have you. a
sure il awful" The1e ar"' was ms no 10 ptss load
to chew !; nothing to provoke tho aalivary
glands,, mol, evon chow Of tobacco. Happy
bling boneath the drty ovor.alls : tho reporter porter
found q pass-key, and, BY dint Of sucking upon
IT, produced tho grateful moisture undor hia
tongue and relieved himself from tho pressure
esme hot. almost intoleraDo. ~ Tho density Of Of
it. WAS palpablo. "How many pounds have
you r. queried the reportor. Joe and :Mr. CLARK
e. say9 R3..t whistle. ''"o havo only or 10. J" aaid
''You can't whistle when wo reach 80 pounds."
Tho air becomes 50 denso that you cannot stir
it, Tho reporter tried to whistle while that priv
ilege remained, but 1t waH Ct no use:
Five minutos moro. Mr CLARK said Are you
gos gotti9g iPsg tired of it" but it sounded like "Aro
What ai1B your voice ?" asked tho reporter,
but he had no need to put tho question. His
own words sounded Like s.Wha our oil" That
out OF that, so ho tried again, aud by means Of
great effort, Bpluttored out his query Gradual
y the eystem became accustomed to its
unnatural surroundings end c:onyoraation
mon mon wondering Low they came into to tho ls gnt-
tor, became possible. Tho alrlokings from
tho alr-pipo grow falntor and falnteri
tho pressure on the ear,lrum more aud more in
resumed it's previous abnormal style. WHOM
click! tho air WAS shut OF. Tho two addi-
tiona1 atmospheres had boen achieved. Tho
pressure In tho chamber was 45 pounds to the
triae strange. Tho pulse had risen to full gal
loping swing. It must havo been driving along
at 100 and over per minute. Hot,-waan't It
hot! Tho three atmospheres xeprcsBod tho
porsplration, and the skin was aa parched as
the tongue had become again, aud that was ab-
solutely wooden. Breathing was easy, not to
say pleasant. 4 full breath was luxury.
Ono's brain appeared az clear as ever, but tile
eyesight Was tritlo wav6ring.
UNDER THE LAKE.
The windlasB was now called into requlsition,
and by its means the lower iron valve laborious-
ly raised. Poor Joo Aa ho turned tho wind
lasa ho looked fearfully ghaat1y. Porhaps tho
yellow light Of the candloa was responsible for
this, but to stand still in that hoat, unable to
peEspfe, bcing simply intolerablo, what must 1t
have been to turn the Winllaas?
Tho valve raised, hlr. Clark bado the reporter
look down.. Would he care to venture down
with his foot in moose. aud Investigate OF
course he would, and, after Mr. CLARK had led tho
way, he followed, ,steerlng eoar Of platforms
and valves, and all sorts Of rubbsh, until le
reached tile bottom, and there III. Clark OK
planned the cause Of tho catastrophe. Tho hole
was clear uudor wator, but something would be
dono as soon Us tho diver could examine IT,
In order to ahow the amount OF pressure in