XXXII.] 
CEDARS. 
269 
Table CXLIII. 
Tensile Experi?nents. 
Number 
of the 
specimen. 
Dimensions of 
each piece. 
Specific 
gravity. 
Weight the 
piece broke 
with. 
Direct 
cohesion on 
1 square inch. 
7 
8 
9 
10 
Inches. 
| 2 X 2 X 30 | 
416 
425 
5°4 
530 
lbs. 
II,76o 
11,200 
12,320 
IO, 640 
lbs. 
2,940 
2,800 
3,080 
2,660 
Total. 
1875 
45>920 
11,480 
Average . 
469 
11,480 
2,870 
Table CXLIV. 
Vertical or Crushing Strain on cubes of 2 inches. 
No. 11. 
No. 12. 
No. 13. 
No. 14. 
Total. 
Average. 
Ditto on 
1 square 
inch. 
Tons. 
Tons. 
Tons. 
Tons. 
Tons. 
Tons. 
8 - oo 
775 
9‘oo 
7‘ 2 5 
32 - 00 
S'OO 
2 "OO 
E = 449710. S = 1470. 
