208 INQUIRY INTO THE STRENGTH AND 
. No. XIII. 
ENGLISH IRON. 
Horace St. Pauls, Windmill End,No. 2, Pig Iron, Cold Blast, 
Staffordshire. 
L. ee ceils lst fee eal 2nd ie net ord. Experiment Ath. 
Depth of Bar....1.043)}Depth oi bar.... 1.035) Depth of Bar.. ..1.05¢]|/Depth of bar.... 1.045 
Breadth do......1.024||Breadth do...... 1.010]|Breadth do....... 1.021||Breadth do., ... «1.020 
Distance between || Distance between Distance between Distance between 
supports ....4ft. 6in.|] supports .... 4't. Gin ||supports..-.... 2it. 3in.|| supports... .2ft. din. 
Weight of bar att. long, Wergnt ot bar dit. lon.g 
Eats Zhaatbe. 157th 
a g 3 D so n iz} 3 oi 3 
ap. jee (ta Vee tes joe 2 | S18 eee 
SP See eee es | & eae" | & | ee fae 
6 {Silay |] 3 | S8 lag] s | 3" Ss] 3 |e? }ag 
e 1A Sol pe jae He | rent ei sie la S 
56} .110) — 66) .115) + |} 112) .025) — }} 112) 028) — 
112} .227); + || 112| .240) .009)) 224) .060) — || 224) .060) + 
168) .352) .013]| 126} .274 O11} 336] .090) + || 336] .094) + 
224) .490 eg 182) .412).025}, 448] 125] 005] 448) 130] .005 
280} .630) .04 5| 238| .560) .042]] 560) .160 007} 560) .167| .008 
336] .788) .066)| 294) .719] .064]| 672] 196] 010), 672) .206) .011 
392] .955| 094!) 350} .107| .091]| 784) .240 o1i| 784) .255] .020 
448]1.140} .125)) 406)1.279] .123)) 896) .285] .024), 896} .295) .027 
504/1.350] .187!| 462!1.89 | .170]/1008! 3836) 0361008) .852) .042 
.398| .059/|1036)\broke 
490|broke} .204))i120 
A451 
560]1.589} .260|| 504 11176 
ata broke 
Broke at the centre. Ultimate detlection . Ultimate deflection ||.+. Ultimate deflection 
2145 Py —.364 
“Broke 3 of an inch 
from the centre. 
Broke § of an wa Broke 3 of an inch 
from the centre. from the centre, 
