534 INQUIRY INTO THE STRENGTH 
The bars having been cast as before, 1 inch 
square, were placed on supports 4 feet 6 inches 
asunder ; and by the usual method of suspending 
weights from the middle, the strengths, deflec- 
tions, elasticities, &c. were obtained, as follows— 
No. 1. 
WELSH IRONS. 
Yniscedwyn Anthracite, No. 1, Pig Iron, Hot Blast. 
Experiment \st. Experiment pe Experiment we 
fe DAT bi oe stu 1.017||Depth of bar .... .026||Depth of bar ...... 1.0 
Breadth of do. ..... 1. Breadth of do. 
peas between Distance between — 
4ft.6in.|| supports ...... i Fl 
si Weight of bar 5 feet long,|/ Weight of bar 5 feet long 
5lbs. 6402. l5lbs. 100z. 
Deflection in 
Deflection 
load removed. |* 
| Weight in lbs. 
Deflection 
load removed. 
Weight in lbs. 
Deflection in 
a 
2 
= 
a 
4 
ey 
a 
2 
> 
iw) 
@ 
- 
nr 
lore 2) 
: 015 
i Ip be? Fa 4 5 021 
224| 656 | | 649 | .066 || 
336 1. 5 : 3 130 
392 | 1. . 250 
448 
459 | broke 
.*. Ultimate deflection, .*. Ultimate deflection, .’. Ultimate deflection, 
=1.616. 1.664. 800. 
or 
or) 
—s 
= op 
wo 
