, 1875-01-24

lon Bon6 Zlnc) 1ound IN Ne" 'e.oo .I..,s~
pic-netal made from this ore. called "1fankhn-
ite, has not been able to compete successfully
with the imported spiegeleisen in the mauutao"
ture OF steel by Besacmer's pfocea.. ine
=. suiepel" ia melted in = reyerberatine 1ufnace
end after Ill the carbon has been blown or burnt
ont OF the iron in the converter the melted
tapiegel" is then poured in and the steel Is thus
made. The converter is then again tipped. and
i,s contouts poured into 4 large ladle SUI ported
by revolving platform, which through hole in
the bottom fills each Of the ingot-moulds succes-
sively, arranged AS they are IN aeni-circular
row, After the ingots are cooled sufficiently
they are lifted out Of the pit By crane. and car.
red Oh to the 'sblooninr ~ train OF polls aud
steam-hammer being heated again during the
process Of rolling aud hAmmerng 10 1eheat-
qs Furnaces; orot Being tho thus sssss
Blooms. according to size, they are ready for
the rail-train Of rolls through which they pass
in precisely the Barne Way as II the manufacture
OF iron rails. The operations Of tipping the
converters. removing and ineertins bottoms
(Which have to be repaired after each hest) 70
the same, moving the lad1e from tho infot-pi1
and lifting the ingots out Of the pit are al per-
formed BY hydraulic pressure, the water being
used in general at pressure OF about 1ao
pounds per squnro inch The blast for tho con-
verters Is given by powerful! blast-ens1nes, sup
piled with steam from ordinary steam boilers:
these boilers also giving steam for working tho
hydraulic pnmps. The blast for the cupoa fur-
naces and rehcating furnaces Is gwen by engines
driving four blowers, the necessary steam pelne
supplied IN most caaes oy ool'ets nesteu ~ !o TGo
waste gases from the rehsatlne lu1N1ces. III
steam-hammer and for the engines orasing tne
trains nf rolls oto.
II will bo eecu from tho above deecf1p1on tnAs
large amounts OF tile
WASTE PRODUCTS or COMBUSTION
e-czpe into the open air both fiom iron and steel
,vo~.-u and in any city troubled with smoke
nuisance In which aucn es1aoIsnuenI7 hlo ~
and no" mucn sucn VOTES aie W to
with rs pfooucuon' auu s4so "Aeu oAIee' ~ @ -!
proved tnat thes 90 aoo eneii soa -. -. Tha+
cases very latee one w .ns ~ aa1-on+ r.
extent It Is possible 20 Ao@so u ~
tue progress maoe ~ noo Aau .S anoa a51snca ~
daring tue !ast twenty Soaie, 1s~ ~ ~, -.
been naae In feeatu W eeoaou' ~ ~ y. ,,,-
CURED IN tue SnFooa Steps oi enc ~
ployed' ana tnls questlon y. aooA4 4,,pa .enrtr1
though not receN1ng' ~ leass " .s ,.a.1;s
direct attention a. rosfas a.on ano s'eel "u,as
is now. by reason OF feceo' tnseostous. III eo 20
manageable c3nais1on tnan W.. , oe:o.e - ths.a
to eay' the statement mace u. stg uasS antan VI ~
articles that economy OF iuSt MA p tr.a " ~
smoke are synonsmons' no'os slaay aas sn ~ ~
l'on and steel na3u1acsuie As VI tno t. Sae "
steam boilers e1mPIy 1os sue put ~. as;.;,,e 49,
buildings ma pTos'o1nH stta.1 ~. a:t,e !.
ssnes, e!eSasoiss eH- ataenE &ne 'A.ou 49,.
IN tue process o. manu- .i. ac. - nna,a rn3ar
buslon OF fuel ocen!s the Il5. 70 co" 4no. W"ao.
our notice IS taas Q! the plaas-iolnI l!o9-
this, 10 all propeflyaes'eno @ ao' ~
no smoke-nulsance 1o1 tA1 t3Fa - .s.a.. ~ -
are coverea aao tns eases !cu ~ s .noa ata.s
ne pufpi unoel % s.ls so".. .rd ~ he.< tha nyane
which tuprl? net III 1or tno 11luaGe.o'9ss ~
resultant product OF THIS comonstlon u A>tIa
mora than steam, ~ may oe ssen " a''y one ~.
terested who cares TO examine IN. lssaps i:o