126 
TIMBER AND TIMBER TREES. [chap. 
Table XLVII. 
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. 
19 
| 
787 
14,564 
3,641 
20 
800 
16,240 
4,060 
21 
22 
2 X 2 x 30 
724 
805 
10,916 
14,000 
2,729 
3,500 
23 
726 
10,368 
2,592 
24 
821 
13,152 
3,288 
Total 
4663 
79,240 
I9,8lO 
Average. 
777 
13,207 
3,301 
Table XLVIII. 
Vertical Experiments on Cubes of 
Number 
of the 
specimens. 
1 Inch. 
2 Inches. 
3 Inches. 
4 Inches. 
Crushed with 
Crushed with 
Crushed with 
Crushedwith 
25 to 28 
29 , 3 ° 
31 , 32 
33 , 34 
35 , 36 
37 , 38 
Tons. 
2’375 
2-500 
2-625 
2-500 
2-125 
2-375 
Tons. 
12-500 
12-500 
10-750 
10- 500 
10750 
11- 125 
Tons. 
23 75 
Tons. 
37’5 
Total. . 
14-500 
68T25 
— 
— 
1 Average . 
2-4166 
”‘354 
23-75 
37 "5 
Do. per in. 
2-4166 
2-838 
2-64 
2-343 
