XIV.]
SARDINIAN OAK.
89
Number of the specimen. |
Deflections. | Total weight required to break each piece. |
Specific gravity. |
Weight reduced to specific gravity 1000. |
Weight required to break 1 square inch. | ||
With the apparatus weighing 390 lbs. |
After the weight was removed. |
At the crisis of breaking. | |||||
Inches. | Inch. | Inches. | lbs. | lbs. | |||
1 | 2.65 | .050 | 5.75 | 765 | 1002.0 | 763.00 | 191.25 |
2 | 2.75 | .10.0 | 5.65 | 659 | 1030.0 | 639.00 | 164.75 |
3 | 3.15 | .15.0 | 4.85 | 630 | 1025.0 | 614.00 | 157.50 |
4 | 2.25 | .15.0 | 8.00 | 906 | 943.0 | 961.00 | 226.50 |
5 | 2.50 | .15.0 | 8.25 | 776 | 973.0 | 899.00 | 194.00 |
6 | 2.35 | .15.0 | 6.50 | 812 | 970.0 | 838.00 | 203.00 |
Total | 15.65 | .75.0 | 39.00 | 4,548 | 5943.0 | 4714.00 | 1137.00 |
Average | 2.608 | .125 | 6.5.0 | 758 | 990.5 | 785.66 | 189.5.0 |
Remarks.—Nos. 1, 2 , and 3 broke rather short to 1-5th the depth, and had about 12 inches length of fracture under it. 4, 5, and 6 had 13 inches length of fibrous fracture.
No. 7. | No. 8. | No. 9. | No. 10. | No. 11. | No. 12. | Total. | Average. |
Tons. | Tons. | Tons. | Tons. | Tons. | Tons. | Tons. | Tons. |
10.00 | 10.125 | 10.625 | 10.750 | 10.000 | 11.000 | 62.500 | 10.416 |
[1]2.50 | 2.531 | 2.656 | 2.687 | 2.500 | 2.750 | 10.416 | 2.604 |
|
E = 363450.S = 1990.