New-York daily tribune., 1858-07-24

esors ss,s'. s1sNz"s, yypIIn Aod h"e.7 -,
.ssy 70 b.s' the susrz Mone ehcepeo, ~
a.. ,.rs,un o. .his 10 DC. lively TO be very ms -.
etber ficaltiss aore therefore fsui1nea, -.
v.,e st length overcome BY three oA'oiGia ." co
NM sor ueIIer, Grsi,ene. .ad Gf ssds-rn, psS
rcs.d 10 .urn the sbunc ace of vs:er III Sn1e'
ceslry vas remarkable 70 e,soua, oy spy pysy.,Is.ol'
. I.ouiar syetsm Of perfcrahon and 'er,
which We VII rOw tndsAvor - eIpian. a. NJ.
srpaYa a. IN sined by these gentlemen eoosses "a ~
h,crsulic Air. coo dtrssr, which Is syp1on tu'n'
witt rs orihess rpEart, trd eommue,cs.vs y ,,h
ofth.m with q stream OF w,:er, By the Other WIN
reservoir of au The ws.eY, descending INTO ,he nls'
brsrth enter. III se,ori, snd oy ;se pres s'ue -
ercies air. which is hsnforced io.o VIC
Ve water contained in tie syPhon is Iet OUT ara
,,e cpeJs,icn rscCnmencss. Ihs emltsoh s1a
iptreduc,icn valve, are reg1ls,ed oy shaH
rssbire operating by ms.rs OF coiumn OF s1efi
AID lie ,i- In tie reservoir is nainfAneo ~
contain degree Of p:es.urs by column OF water
ica,iIc VITA a.; tter re.eryo above Ihas'
? III svs'erfsl % me;=rs in hight me SIR Is eol-
d.rs.d 20 sr atmosphere squivs.sht 10 ne Piesse
of 20 s.ers CT water. This cerdensed ar J. useu "
.xo nr,n,sss: trst ~ uotive power. ana then Tor
ventilation. Two kLGs cf perforat1fs, WORKED oy
oordersed air irs.esd II steam are emPoyeo, one a-
vented by M Bartlett, the otaer oy NJ Sonhs.L.eI,
ard the amer in which these mac hines ,eI
duty affords the fist practical denonstsn1n Oh tae
pcs.itiity sf employing compressed ar IS mo.ve
power ~rh s3vs-.sge. BY msars OF t-ese
hoes blasting may Be bored tnroug1 ms nSl 1ee'
aui..d II orcinsry were employed 10 oruer 70
u lerssrd The importance Of tals resul, IL may DC
staid that 10 iunrelEpg, three iourths OF the une
is uploy.d 10 boring hoiss, AID t1e REMAINDER 70
charging snd hs.rpg; herce scceerstipg the former
operation is On I'M sdvsrtsge. The pertors'ors
have snotier sdvsltsse; IL place where three
couples of mreis would hardly hnd room, eighteen
rerforators nay be set 70 work; 80 thai, by ,hese
cetus cor,rvarces ss well 81 by other. ior cisar,
ing sway the rubbish the perfJrs;ion OF toe turne
sy BE- eecsd il Elk years, instead OF thity sn loe
air that a. been employed a motive po ser s used
10 'esd the gallery, bu. when the latter shall have
reached a cor sideiable cepe, it will require S9Z4
cutie meters of per - holrs TO replace thai wacn
he's been vitiatea by respiration, torches, snd gun
powder; ard this qusnty in the form Of IA $40 o1olc
meters Of air condensed 10 six stuospheres the reser-
ycir csn furnish new snd curious fact has been
obseived dur,rg these works, VIZ, that wnen the sr
COZ denseo 10 TIE degree above mentioned Is shot lro
the gsueIy from the machine sry water happening 70
he LeM The latter suddenly corgeas, although the am
bent temp. rsture he about IL degrees centgrsds az
degrees Fehrenhei) Hepce, when large mass OF
ccntressed air 10 driven into gallery situated a,
go meters below the outer surface Of t1e earth, and
where consequently, the temperature must be aoou!
100 degrees Fahrenheit the distioD OF the co impressed
cir produces oimnulon of temperature suihcient 70
couLtebslsroe tie e1ctss sllrded to- The progress
row ushirg per day 10 boTrg IL three netes on eaca
eide Of the mountain, or s1 meters per day In all.