COLLECTIONS I\ KCONDMIC OK()L()(;V AM) Mi: I'ALl.Ll:!; V. 155 



rrodiirlM. 

 ( ! ) Pi^i-iron, No. •>. (r.412'i.^ 

 (•-) •'^I'l;^. im:i(1i> witli No. 'J piy-iion. i.'.ll.'T i 

 (:{) I'ig-iion, No. ;!. (.".ii-j;?. ) 

 (4) Slaji, inailf willi No. ,\ |ii;j-ii«iii. .Ml.''. 

 (.'•) Fine (lust. (.VUvM.i 



NnUTlI CORNWALL rriJNAfK. 



Tlic North Coinwall l-'iiniace is .situated .1 miles .south (.f I.rl)anoii, 

 Lrltaiioii County. lViin.s\ Ivaiiia. Tin- (iirnacc is C") Icct hy 1.'. It-rt. The 

 blast is lM>at('<l hy IMcycr hot ov«'iis. 



The only ore siiielicd is thai iniiici] iVoiu thcCri'at ('oni\v;ill .Mine. 

 This is very hioh in sulphur, and oriMicr.illy contains a littlr coitpcr, 

 and tho juo^-iron is known as " Cornwall Ked Short " iron. A small 

 amount of ore from tiu' surface is smelted direct. Imt most of it re(|uires 

 to l)e roasted for the removal of the sulphur. The ores carry J2 to <;2 

 per cent, iron, G to 1*0 per cent, silica, trace to 1 i>er cent, copper, trace 

 to .i per cent, sulphur, and ().(K)1 to 0.004 per cent. phosph.Mus. 



The fuel used consists of a mixture of anthracite coal and Connells- 

 ville coke, ami the tlux is a limestone. The collection shows: 



(hr. 



(1) MjifjiM'tite, surface .si»ecmu'ii. (."i4l7:». i 



(2) Maiinctito auil pynhotito. i.')4l7<>. ) 

 (;{) Roaato.l. (.'.4l7-i.) 



Fuel. 



(1) Anthracite coal. Draper Colli.-rv, S.linylkili County. Peiinsyhauia. (.'>4180.) 



(2) Coke, from (N)iiMell,Mville, Pcnnsylvani.i. (."dlT.'). ) 



Fins. 

 (1) Lir.K'stoiic Kriili'r's (Quarry, [ielmnon Comit v. I'l-misvivania. (.">1H1., 



Frndiirt.'*. 

 (1) I'ig-iron, .No. L (r»41<it).') 



Ci) Slaj:;, produced witli No. I yia iron. (.">417(i.) 

 Ct) Pig-iron. No. t>. (.'■.4ir.7. ) 



(4) Slag, prodncetl with No. '2 pi<i-iroii. (.'i417L) 

 {'t) Pig-iron, No. :5. 0'>4H!h.) 



M"i) Sl.ag, iiroilnced wilh No. :i pig-iron. (.".417-2. 1 

 (7) Slag, cry.Ktalii/cd : prodmcd with \o. :{ ])iir.iron. (.")4174.) 

 (M) Pig-iron, mottled. (r>416'.>. ) 

 '■•) •*^I.'»g. jirodnced witli mottled i)ig.iron. (.".417:?.) 



10, Rnck-sliot iron, a mivtnr.- of pijr.jron in .small .sliot e.-m.-ntrd l.\ a diiVMnltlv 

 fiiHil.l.' Hl.ag. {'.4177. > 



l'>>l-l>roilurlK. 



< n I'ltie dnst. tak.'ii fn.m lli.- pij.r Ica.liti;; to the liol-l»l:wt stove. (.-.IIC..-..) 

 I, J; Fine <lnst, t.ik.n from the iloor oft lie hot-blast stove. ^.'.4104.) 



