214 INQUIRY INTO THE STRENGTH AND 
Nios OVE 
ENGLISH IRONS. 
Carroll, No. 2, Pig Iron, Cold Blast. 
Experiment Ath. 
azperiment Ist. perv nd. Lapertment3rd 
Depth “of Bar cores 1.050 pepo aes . 1.025]|Depth of Bar... _ -1.069]|De pth of Bar.....1.030 
Breadth do....... 1,010}|Breadth do. . . 1,015}| Breadth do.. .-1.020}|Breadth do...... i 044 
gees between Distance betw een Distance between 
supports......4ft. 6in.|} supports,.... , 6in.|| supports.....2ft.3in.|| supports .... 2ft. 3in. 
Weig tof Bar Sit. long,|| Weight of Bar 5ft. long, 
bs. 100z. 16lbs. 
Foose 2F Pel oe per Fe | PE el 
112} .225) .008 112) + O26 5 ike! N28 = 
126] .256] .010 .233} .008 .054 224) .060 
182} .384! .019 .264 .010 .083 336] .090 
238] .518)] .035 O98} . 112 448} 124) . 
294) .659) .052 534) . 149) . 560} .159] . 
350} .810] .073 683) . 183} .007|] 672) .196} . 
406} .870] .099 B40) . 224) . 784) .234) . 
462/1.144) .133}]| 406]1.008) . 262). 896] .278) .02 
476|broke 434]1.097] . 2| 284. 952|broke 
4.48]1.144, 1009}broke 
462|broke 
-. Ultimate deflection ||\-. Ultimate deflection ||... Ultimate deflection ||.-.Ultimate deflection. 
=1.183. pa: 191. 305. —,299. 
~ Broke % of an inch||} Broke 3 of an inch Broke % of an inch 
Broke at thecentre. 
from the centre. from the centre. from the centre. 
