New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1890-10-10
THE IRON AND STEEL MEN.
tCourinucd from Eleventh Paxc.)

and permitted such succcss hc' de- gner th't the
The Of fuel HI, bccn stated. 'ia!i'"Sc d.outd
and diseased nj nau>ean. ire fi": icnl! tl'' II Is
substantial. ana /, approximately 20 Pc ut whr,r Ire
pro- ri ti.Ai tie lhr, chglLr i, C"t.' % pea!
iun at higher sp.c1> tan tn cin. one. and that
II, wa, l..d ,.,: l. absolutely less. In. boiler bein
le,ui!rd supply 20 p'? cent les =" an! c,h 90
vii! snpp, s,!.m No. ~: 20 pr ct" n", p"wcr ris
latter fact Va IN one n'a !" r'i: "'r %! b III go.
eah'y OF ,i.ipoNnc'r. pa'th b, drNi- b"; ol'e"';
b, un"l'. h"ioc IN Nui"f.r - '"' ~ man Oh
III" lamps" i, due u ne latter: .A,t OF small p'~'
selIsc: steamers - who'll. u Tie ireI
un u" whoi. the saving ii cot. u man, OF tl:
tpr Nj o:iiJ 9 lin" i> I"'eH ri,hc" :" "a dhtrt.i'
as :he tc ciriesi i almost unves .l' csrriel nos a
yer, ,u'iahtial o." b,i T. t. world and t. tn IN
c'vd"' ,np'wn"r. 70. IN. II I'll at he'rI sped.
enc with e., r,p:, %nic:, mca ,c, tona$r Tn,
f., les do hi drpges the frc,n,
rate. asi 80 n rn.oltnai" slip""her dos nN r-al
larg, The continued depression IN Shipping l. M
d"u'tedly due {" DR. KrA' scnns. ana hcncc h. go
- little paiSt.
Mr. Thornc! croft now well kuown.ae the designer
boats. soon had TO give "p iOacodcnsnc cilgnc> and
:oldense tae scan, =, =, TO- get fr.,h vac" TO- ccdi
d'aa.ht In u" escape steam caused HIN t. snhst TUT
artificial >ouices o. al pply. AID H. found TIA; by
q STAN supp, over ta, given Formerly bv the steam.
olast Gh piesSur: OF al" va increased from tn half
t. that Of tn her'e>; draucit o. AL expr.,> 10
motive; the supply {" t AN WIS excellent, and TIE
ss and wtI ar 1T' s T wa ycry
high. aad Wa al the time c"n>i!ued marvellous.
got we're in themselves Staple aid intApcH,"r The
compartment 'on'ai;ns the boiler vas made airaht.
Of one fans OF the ordinary type driven
by an independent engine. The simplicity of these
our laval ,n!inee', in $50 to adort htm on lur;r
scale IN some crnise- cf the Leader class. the result
and with only N" addition Of tn" forced draft arrange
'ncNt !. c"leideIae increasc Of >pccd was achieved
hove ecn lifted to al! the new ship built FOR IN" Eririi
Navy, AID TIE example TINS set has been followed by
the er.!neef> OF other uE'r!cS.
DEFE,TIvE BOILER DESIGNING.
.s an illustration Of what he done this way. it
Is u, ent 10 instance the Of the first class bccd
cruisers Of the lmmor'atc class. When wor:iing undo
natural draueht. the powe: to he iAdicatci $500
h rsc>. and OH the tlal "Trip much 5000 horse
pow wa d"veopcd With ior, ed diau-lG dive 10
lcc,,d 'ha; 500 horses would he dcN cl"!cd b., the
ui'Nc! thise coH.itlohs over 5000 horsepower W.,
ota!ncd ana the -peei Vas raised tNm sixteen aui
oArSalf kno, to nineteen knot, At the plc>cn; t:ic.
seas 81 twenty Knots per hour ave cls realized N
lier Majcs,y> Navy with engines and boilcr If s'l
size Is ten Years ago would have been dcemct >uf
t'cit Tor iced of Oily nfe IN ki"t> 1t f. wee.
itIc; To- say. at thai now very coN>!dc!ni L. dlf
ii.nc:ucry tx th@ Eaii,h Saw N rua"ns c'r,
0u>iy u.Hcr "'ccl dI,u.; without more o. less tioni"
ne system. but the wan, Of suitable iioV .>oa IN ii
T. worn Wien rc:n- pressed To- III" Utmost. II t.
lat ..,t,e eroi oi Jndiacnt on me part Of tn" an
OF er prrvio; ciIol,, N the same direction
and inst a. tho locomotive encmccr Of TO-DAY l. de
pcnd":1 on. and Ia he faith IN. IN. forced
eni.c,r VIZ set o"cr lis dihculc. "a, the !1con9vc
eIrinct did, % that ia til, Lrr ;.ture We shall ,cc
Sips whc>" boilers aie worked under forced dran-t
wn perfect safer and confidence doing cAprc~, speed
In the days If natural diangtt and compound en-
cnee; ten hors" power l"r >,.aIc to" Of grat" wa,
%eh, c.,n ECd WITH the "iT Hmco Of the
would cvc fourteen fifteen horse power per ,u,r,
IA hc nips @ ca t &C., r "nif fn hG nov nr n.y.
sonar" fot Of sr"'" and in smaller boats ~hcn. ia"
inrhe,,; e."u higher c,rl!s have ben reached.
ca, % nIIrn S tn If p5r OF "rrsd G""
their invci ~. some # them good. some ~ them not
%orhy .: mo.rc bat Al o: them NOR or lc~~ mi>u'
attained were concerned. AZ means t. q particular
the s@vci cnd, lad ~ View hv cxpcrnen,.r ' ,a
not b"eH ,,cr"s- Wien The consumption "t "rres
could c9mplaln: hui thai there should be an
aG q E n"!rG at % w Some MT i !" coy eI
"G ~ qe G,n s OF n f navy & r~1
MN >i:h' economy !. ,':.un: rti'n. II + Claimed
!fr"t'H a~an'h a. H." ar forced int" '!e furnaces *
Z" >"r ">' II heated by a." waste in The up,al.
' 'r ii TIM, T" w, T cxp "[ 10 r ,S 81 hc an
jig af"cc>>. il j very don'ful if =" gain would ont
&C. w''" Am inC;i1"a 10 'nh That "nr Admirr
SHE ul4cr me-. cond io, man the hca,i1: Of t~
whor' f,r-o, drauch ia, l..,,l used in II" nicrcan
c',nr'aln hut ,'len ntr'cnc~a fer The sole purp1,,
y. ""' IN: economy &! fuel the prais" j. If
qualified nature, and the complaints. when made, are
rGni, taxable.
Summary Of ENGINEERING PROGRESS.
To rp. tn" Three great developments q; marine
engineering that hay" made he past vour-
arc: First Increase in working pressure from
craze u - pounds to average OF $50 pounds pci
sGua:e inch second. the adoption If the triple and
quadrupa expan- ion ys'cm. utilize Steam Of
this h.-h pressure efficiently third hc adoption OF
artificial f)r obtaining Sufficient crau:ht for the
consumption of c,,l. and when sired. for
rr': consumption Of coal u give augmented
supply II >tr,n WITHOUT ADDITIONAL hoIcr caraci:y
WITH IN" result that IN hawai- ships n'w with practically
the same weight ui Ud'HWry the lndcacd hGr."
power nee y doubled, and IN the mercantile
the indicated Horsepower 30 a. - per cent
wears ar, IN" consumption oi coal Icing 20 per cent
les than zen year ago. and =. TO 30 per cent less
he ma: Inc engineer IN The dcsirm and Manufacture Of
machinery. whereby the engine Of H. day, notwirh land
g That i ehtei aid even cheaper than mat Of hi.
lever accidents. Although, from ;he iicmcIdoi, de
mG nn, n1de e "a lo s"G e. SI,G 10 ,a ' ap
experienced and >huI a,c then. i, loc, not suffer
nco do not wish Wv an, mean. IL, d. ."ar,p c' inc
skill and ability II engineers but think
that shall be supported when that younger
faces are TO be seen III the engine rooms to-day taking
important position. there than the nfccR
years ago that whereas then natural taste ap,i
tude for III" profession Wa >IHc qua hon ii cntlar
into IT. is now NtOdtu 10 great cAirat bv
no >i:Iply lpOn IL a being lucrative
than other professions a.d trades to which I'D.
r.ataucc l. easy have nuW bccOnl'. That cIn>'an:
complaint OF hot hearings l. practically become thin:
Of ia, pat l. PATTY d, 10 improved obstruction and
better dc>e'' cn;"'I"c,, on ,hc hct'r understand.
irs Of Er>1 prinCpcS but good white metal has Gone
almost has beer fonnd To be- panacca for
the evil where it ha' existed for years IN the older
cugincs: and whereas f,rnI"l il w:- only Y.ip,
and rlrsc Of the best mail NIP companies that ind ug'si
# white metal. tn. Il. :lrn
ships has. rul". tin, metal III III" main bearings
crank pin braS>'~. Il matter Of f,
hot bearing Away means expensive bearing, b.
In cpiI>;;m ptn and il and and renew
az. The increased length uf life Of shafts