ON THE STRENGTH OF PILLARS 
439 
Table V. — Uniform Pillars of Low Moor Iron, No. 3, with one end rounded and one 
flat, placed between others, with both ends rounded and both flat. 
Description. 
Length 
of piUar. 
Si 
Weight 
of 
pillars. 
Deflec- 
tion. 
Weight 
causing 
the de- 
flection. 
Breaking 
weight. 
Mean 
break- 
ing 
weight. 
Remarks. 
Both ends rounded. Plate 1 
No. 1, A / 
Both ends rounded. No. 1, A. 
Both ends rounded. No. 1, A. 
inches. 
30^: 
304 
304: 
inch. 
•78 
lbs. OZ. 
3 13 
3 12 
inches. 
lbs. 
lbs. 
2953 4 
3372 L 
2726 J 
lbs. 
3017 
One end rounded and one] 
flat. No. 1, B / 
304 
•78 
•78 
3 12 
6278 
6278 
Both ends flat. No. 1, C.. 
Both ends flat. No. 1, C.. 
304 
304 
•781 
•78/ 
•78 
96251 
8389/ 
9007 
Both ends rounded. No. 1, A, 
Both ends rounded. No. 1, A, 
Both ends rounded. No. 1, A, 
Both ends rounded. No. 1, A, 
Both ends rounded. No. 1, A, 
304 
304 
304 
304 
304 
1-00 
1-01 
1-01 
•99 
■99 
l 00 
6 2 
6 24 
6 4 S 
7397 
7769 
7672 ^ 
6105 
6105 
7009 
One end rounded and onel 
flat. No. 1, B J 
One end rounded and onel 
flat. No. 1, B / 
One end rounded and the] 
other flat with a disc of I 
double the diameter. No. [ 
2,B J 
One end rounded and the] 
other flat with a disc of | 
double the diameter. No. I 
2, B J 
304 
304 
304 
1-02 
•98 
1-00 
100 
1-00 
304 
POO J 
304 
1 - 01 ] 
304 
1-02 1 
304 
POO [ 
304 
1-00 J 
304 
P 00 
6 4 
5 14 
6 7 
6 7 
14685 1 
12314 I 
13499 
•09 
1- 30 
2- 95 
•13 
•20 
12445 
12893 
13789 
12445 
12893 
13789 
13341 
13565 
{ Broke 10 - 42 inches from the 
rounded end, after bearing the 
weight some minutes. 
/ Broke 10-30 inches from rounded 
(_ end. 
Both ends flat. No. 1, C 
Both ends flat. No. 1, C 
Both ends flat. No. 1, C 
Both ends flat. No. 1, C 
Both ends flat with discs. 
No. 2, C 
Both ends flat with discs. 1 
No. 2, C / 
Both ends rounded. No. 1, A. 
One end rounded and one! 
flat. No. 1, B / 
304 
100 
1-01 
1-00 
6 15 
6 15 
•05 
•06 
•07 
•09 
•15 
•27 
•02 
•04 
•06 
•09 
1-50 
12445 
14685 
16925 
18045 
20285 
21629 
14685 
16925 
19165 
21405 
22525 
19132] 
21844 I 
18369 ( 
21897 J 
21853 
23097 
20310 
22475 
604 
1-76 
1-76 
38 0 
16493 
16493 
604 
1-74 
1-74 
37 0 
33557 
33557 
