536 INQUIRY INTO THE STRENGTH 
No. II. 
WELSH IRONS. 
Yniscedwyn Anthracite, No. 1, Pig Iron, Hot Blast. 
Experiment \st. Experiment 2nd. Experiment 3rd. 
Depth of bar ....... 1.027|Depth of bar ...... 1.017|/Depth of bar ...... 1.02: 
Breadth of do....... 1.006 |Breadth of do....... 1.009]|Breadth of do. ...... 1.011] 
Distance between Distance between Distance between 
supports . 3in.| supports........ 2ft. 3in.|| supports........ 
ed 
5 
Weight in Ibs. 
Deflection in 
Deflection 
load removed. 
Weight in lbs 
Defiection in 
inches. 
Deflection 
load removed. 
Weight inlbs 
Deflection in 
Deflection 
load removed. | & 
112 | .040 
224 |.081 
336 |.125 
448 | .167 
560 | .205 
672 | .250 
784 |.300 
896 | .375 
952 | .410 
980 | .440 
1008 | 455 
1036 |broke 
Broke with laying the]| .-. Ultimate deflection, .'. Ultimate deflection, 
eight, 896lbs., on again. =.470. =.393. 
