on the strength of materials. 
123 
tolerably uniform. The weights used were of the best kind 
that could be procured, and as the experiment 
advanced, 
smaller weights were used. 
Experiments on cast iron in cubes of \ of an inch , &c\ 
Iron taken from the block whose specific gravity was 7,033. 
Averages. 
lbs. avoirdupoise. 
r± x - 
8 * 8 
- 1454 
143 9 - 66 < i * I 
1416 
li X i 
1449 
On specimens of different lengths. Specific gravity of 
iron 6,977. 
2116 \ 
rw ... . 
1 » « 
1922 
1 
mm — ** 
L 8 * 8 
2310 
i 
x f slipped with i863lbs. filed flat, and 
crushed with 
2363 
ditto, 1 ,495, ditto 
2005 
1758-5 < 
I £ x f ditto, - - 
1407 
{xf ditto, - 
1743 
ditto, - 
1594 
J- x | ditto, - 
- 1 439 
April 23 d, 1817. Experiments on cubes of £ of an 
inch take?i 
from the block. 
fl vl 
4 X + 
10361 
977S-5< 
A v A 
[4X4 
959 6 
I 
ii*£ - 
99 1 ? 
1 
U x i 
9020 
