228 
TIMBER AND TIMBER TREES. [chap. 
Table CXVIII. 
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 
74O 
32,480 
8,120 
8 
738 
31,920 
7,980 
9 
7 6 5 
42,000 
10,500 
10 
753 
38,640 
9,660 
IX 
735 
33, 0 40 
8,260 
12 
760 
42,280 
10 , 57 ° 
Total. . 
4491 
220,360 
55,090 
Average . 
748 
36,727 
9,l82 
Table CXIX. 
Vertical or Crushing Strain on cubes of— 
Number 
of the 
specimens. 
1 Inch. 
2 Inches. 
3 Inches. 
4 Inches. 
Crushed with 
Crushed with 
Crushed with 
Crushed with 
13—16 
17—20 
21, 22 
23, 24 
Tons. 
VOOO 
3-I25 
3-500 
3-625 
Tons. 
1575 
16- 25 
17- 00 
16-oo 
Tons. 
37-125 
36-625 
Tons. 
62-5 
61 -o 
Total. . 
13-250 
65 -oo 
73 75 
I23-5 
Average . 
3-312 
16-25 
36-875 
61-75 
Do. per in. 
3 - 3 I 2 
4-062 
4-097 
3-859 
E = 618550. S = 2415. 
