ON PUDDLING IRON. 71 
by other arrangements, whereby the first cost is diminished, and the working 
of the furnace facilitated. 
Taste No. 4. 
Percentage of Carbon and Silicon contained in various kinds of cast and 
wrought iron and steel, 
Description. Carbon. | Silicon. Authority. 
per cent. | per cent, 
Spiegeleisen (New Jersey, U.S.) ...... conghadae 6-900 | 0:100 |Henry. 
* (German) ierransteopoeaetndaddeot cae 5-440 0179 |Schafhautl. 
a (QUUINIEES21)) BS -condcleo npgbreeioodenOgoROcenD 4323 0-997 |Fresenius. 
Lofsta pig iron (Dannemora, Sweden) ......... 4-809 0176 |Henry. 
Grey pig iron No. 1. (Tow Law) ..............- 2-795 4-414 |Riley. 
Grey pig iron No. 1. (Acadian Iron Co.)...... 3°500 4840 |Tookey. 
rSDuth Stal oedchire). renee t| 307 | 148 Woolwich Arsenal, 
Grey Foundry pig iron No.2. Ditto, ditto...| 3-04 1:27 Ps 
Grey Forge pig iron Ditto, ditto. selprens ley 1:16 £ 
Forge pig iron Ditto, ditto...! 3-03 0:83 i 
Strong Forge pig iron Ditto, ditto...! 2°81 0:57 7 
Grey pig iron (Dowlais).. ..........:6s..se00ee0e 3:14 216 Riley. 
IGSHLCH PIF ATTOM! 5, 00 Wescncewsccndeastued. ven ons 2°95 1-96 5 
White pig iron See Soddnee cata cvatiucienceteete 2°84 1-21 + 
Mottled pig iron (Wellingborough) ............ 2-10 211  |Woolwich Arsenal. 
White pig iron (Blaenavon) ..................006 2:31 1-11 |Percy. 
Refined iron (Bromford, 8. Staffordshire)...... 3:070 0-630 |Dick. 
Puddled steel, hard (K6nigshiitte) ............... 1:380 006 | Brauns. 
“ ,, mild (South bed Se tetocrece ‘501 106 |Parry. 
BRPRTANTE PAY VOOUZ) cocicr cateccccssceddcccecececseasee 1:645 ‘042 |Henry. 
PP HOM Heat Hes, £5), Lcctsideerddt.veaheosseas 1-2 secs |A. Willis, 
as Huntsman’s) for cutters............ TO” psleetates 
A HOM CHIBOIS cc axe ad wecnens ove ete mnie tec oT bleed does s nf 
Se Die steel (welding) .................065 ited ern ce e 
e Double Shear steel ................4. ee alt. “etek 9 
Ps Quarry Drills, ini... .cssesdoddeedede “GHEE “4 
a Mason’s Tools ..........62ecccseeeeee “Oil aii) othe if 
# SPADES: goes older weit venseaie tt 3ec rere coe. le, lessee ” 
7 WRatlway DyPes) ce-cce-sesececge sts a SA tO | caress ry 
¥ SEV AT Abas eegeeariar ccsaiuserssuas eae aesers 26 to 24) ...... Fe 
7 Plates ce Faalet Jenet aieteececnite aves “2b jh) Ses Various. 
Hs very mild (melted on ’ apes 
sac hearth) «....... } aa ah asi | a A. Willis. 
Hard bar iron (South Wales) ..................08. 410 080 |Schafhautl. 
re pn (MlOSter gS WECM!) =. .c<..<.. seca “386 252 |Henry. 
- Meee (EUUSSIA hs racecacentecdaninedensecss 340 trace es 
4557 Wael cI). atdbass 272 062 . 
Boiler plates (Russeil’s Hall, 8. Staffordshire)..| -190 144 a 
Armour ,, (Weardale Iron Co. bees too fea <a) plO) 110 ‘| Perey. 
Bar iron (Léfsta, Sweden) .. s| 087 115 |Henry. 
=}, (Gysinge, Sweden)... SolrcagtinansHeO ocecAb: 087 056 x 
iy (Osterby, Sweden) ............ 054 028 . 
Armour plates (Beale & Co.) ......... 044 “174 =|Percy. 
js » (Thames Iron Co.).....i0.5.-00+ 033 160 2 
¥ an how MOOR). vscsi.+ serene tame ve 016 -122 |Tookey. 
