546 
No. VII. 
WELSH IRONS. 
INQUIRY INTO THE STRENGTH 
Ystalyfera Anthracite, No. 2, Pig Iron, Hot Blast. 
Experiment \st. 
1.04 
61 P 
,|| Weight of bar 5 feet long, 
15lbs 1202 
Experiment 2nd. 
Depth of bar ...... 1.022 
Breadth of do. ..... 1.046 
Distance betw een. 
supports........ 4ft6 in 
15lbs 100z 
Deflection 
load removed. 
.’. Ultimate deflection, 
=1.742. 
Weight in lbs. 
Deflection in 
inches. 
Deflection 
ad removed. 
Experiment 3rd. 
Depth of bar ...... 1.018 
Breadth of do. - 1.041 
gee between 
orts 4ft 
Weight of bar 5 feet es 
15lbs 902) 
Deflection in 
Deflection 
load removyed.| «5 ES 
065 
135 
.294 
632 
1.039 
1.540 
broke 
operas 
— 
aE; o be Weight inIbs. 
brH+oos 
lore ) ee =) 
— BOD Or 
.*. Ultimate deflection, 
79. 
.". Ultimate deflection, 
=1.804. 
