, 1880-06-18
HIGH STEAM.
4 Promising Enyontion-Stonm Pres.
sure OF 500 Pounds.
A. tP.xk1

u EfOE1kHl6E NEUTRALITY-SUSPICIOUS. &K9B~
sure OF 500 Pounds.
Ns.s York 1s.Nss,
The Improvement made in 1uarino steaE-
engines d fow yeArs ago by the Introduction Of
whit Ia known as tho compound c1sglho is likely
to bo supplemented BY another invention which
Ia practically a development of tho sumo prin-
ciple. Mr. Loft,,s Forkins, tho dovlaer OF the
compound annrino engine, bus constructed anow
machine, by thu MD OF which no PROPOSES to
cross tho Atlantic In sulnli stca.nor Of sovcnty
TONS, called tho Anthracite. Tho governing ldon
In tho compound engiuc Is TINT when Bteatn has
been heated equivalent to pressure Of, say,
forty po,lutls to tho Square lnch, It necls hut Il
very slight addition OF fuel to increase tho pres
auro to iz0 or 1t0 pounds. These Engines. thote-
tho steam Is confined 1T il high pressure, md
Msgor Que, ~ which, ~ s,.o, II IL f., necas, sG,,
sumption OF coal on our ocean pteamers
bus 6cea ve1y EFeatiy reduced, and ia, n1o'i L. nc
ss PsRsE pSss5 y" SPS FIJI
Whit NJ rsrkns ss e h9s VIE bssa t. Cur r.
When liza 1eyroe of heat has been obtalNed, It
10 u peads sssd ana tou ya saso @ a
vastly greator power. The obstacle. n The way
q appfy,nY ,a!a sssse , 70 ths osn9sy COM
ip9 Cylinders wns Too great for liz oAsy trans
mission from ono TO tho other, and 70 oyeroot,1o
thder. TINT IL. tho steam On tic Anthracite IS
heated In the boilers Up TO II Temperature cquiv-
i,Sh h. y md thon PASSES into a cylinder sieht
tnchos in dtalnotor, thence into = cylinder six-
een tnehes u sy nto s Fry
it viii Vt onco bo aeen tdat this constitutes m
ho eve n a. e lsfs sts2 @ nas
great outlay In fuel ia In raisng the heat of tho
yapos so IL ordlnary working degree. ny NJ NJ.
fold. With but rolativGiy slight eddluon to tho
heattng medium; Ono possible defect IN thla
q . tat w reaay ,1. sa9lkgst l 1aso
of this kind must put upon tho boilers nf IN
occan steamer. and their consequent llubllity to
tho sQuare Inch. i m enormous roruo 70 bo con-
tlhcd, and tho explosion Of II largo boiler under
these condition. would mako short work q tho
6touteat ship that ever tluAtcd. hut this III Il
contingency that Mr. Perkins has not oyr~~
1ooked, md 10 moet It be hns constructed boiler
Il Is ootnposod Of horizontal tubos welded up ut
ouch oudand oonnectod togcthor by small yer.
teal plpga, tho whole hAvng boom tested to stAnd
rh0uKh whothor the trial was By stealn or coll.
water pressure tR not suited. It0wnyDr+ Inc
can thst ho naass t. thGt ~ snba!ysinn Y
mt do uatorat danlaEo. for 1t would Of necosaI-
ty hc confined to pro Ut tho numerous horlxol.
IAl luDGS4 AuA lTOu1 AAb NetAt sAc otSlAA1 Wuu4u
This IL 4 matter TINT Gun be testod better by
experience than BY thooretlo rcllsontnX: while
| at the salnu time 1t INust be Nimftted tNt tht
| theory seefns sound ono. although by this sub.
| division there might 10 y considerable wnsfo nt
he4t. Nut whom tho Anthracite hAB nude hcl
| trip ncrosa tho Atlantic to this port, tho dntH
| for Judgment will be supplied TINT ID now want
iuR. Tho lrnmuttlnto advantage to III q
this Improvement ia In tho prohp1et i
holda out at greatly reducing tho cos
nf ocean. transportation. Every 1nvcntlol
that tcnla to lo4scn the s1nense OF cnr
| EaiM to tho people uf this country. Tho snvlni
| nude uoca not K1I TO any IAsrccptsblo 9xtesi
| tn the owners Ut the steluships, for tho,
! nro compelled By keen composition u t1ntGh
| themselves with certain nl0dAtNte Return ~
| their lnvastmcnts. ThUso who nFp benentud arG
I tho onnsnnurA uf the suurcaA;ldsu tArrtotl, mt
! TIM producers who. III " consequence u( low
| freight rates, can send thotr wArus TO market
tl,ut, uudnr othar conditions. would not D.
rstmAto Of the XNEu, but 1t III Knto 10 Hay that J.
tho compound e.ixIno hal nuvGr bcbtl iilvotlto'
| wD should NOT now have anything approaching
| N,lr present hold on tho EnHlfah' tnArkGt. anu
tho hN tuua Of coal TINT tho faAt sttAlinnr nov
burns on an Atlantic voyage. IND Tho S11 tu',
th1t the freight .thats ctinAune. taln 10 reduces
respectively to at) and lou, with correspoHin
reduction lii tho number of eUul'hcAtora ON
ploycd. tho canacqucnt decrOhsa in rutns 4
| grain Ii LtyurIN,al With prolt 1T lnWnF price
| thuU over butOrp. anl t.s ship Il Ata nthor Mrtl
o}es to markgta tlAt Aro mot now Rphi to III
| AuluricHr,s. no I1ss rslnn tho knKltab. hHvu Aou
rplsUil Snr hoping tlAt MI. PUEkbns' Latest IN
! yeMtion Will pr0F0 s.svt:eaA. :,