248 
TIMBER AND TIMBER TREES. [chap. 
Table CXXX. 
Tensile Experiments. 
Number 
of the 
specimen. 
Dimensions 
of 
each piece. 
Specific 
gravity. 
Weight the 
piece 
broke with. 
Direct 
cohesion on 
1 square inch. 
Inches. 
lbs. 
lbs. 
7 
] ( 
584 
17,920 
4,480 
8 
5 2 4 
12,320 
3,080 
9 
J 2 X 2 X 30 
570 
19,600 
4,900 
10 
J l 
534 
14,980 
3.745 
Total. . 
64,820 
16,205 
Average . 
16,205 
4,051 
Table CXXXI. 
Vertical or Crushing Experiments on cubes of -— 
Number 
of the 
specimen. 
1 Inch. 
2 Inches. 
3 Inches. 
4 Inches. 
Crushed with 
Crushed with 
Crushed with 
Crushed with 
II —14 
15, l6 
17, 18 
19, 20 
21, 22 
23 , 24 
Tons. 
3 ' 2 5 ° 
3‘ 12 5 
3'500 
375 ° 
3 ’250 
3-000 
Tons. 
9'000 
7 - 875 
8- 250 
8-500 
8-750 
8-250 
Tons. 
Hr 
Tons. 
34-875 
Total . 
I 9'$75 
50-625 
~ 
— 
Average . 
3712 
8-437 
16- 
34-875 
Do. per in. 
3712 
2-109 
1-77 
2-179 
