XXVII.]
ASH
211
elastic, and easy to work. It is very suitable for employment for oars to boats, and is consequently in great request for that service, while its economical uses are as wide and general as that of our native growth.
Number of the specimen. |
Deflections. | Total weight required to break each piece. |
Specific gravity. |
Weight reduced to specific gravity 600. |
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 | 2.50 | .1O0 | 7.000 | 696 | 493 | 847 | 174.0 |
2 | 3.00 | .150 | 7.750 | 580 | 467 | 745 | 145.0 |
Total | 5.50 | .250 | 14.750 | 1,276 | 960 | 1592 | 319.0 |
Average | 2.75 | .125 | 7.375 | 638 | 480 | 796 | 159.5 |
Number of the specimen. |
Dimensions of each piece. |
Specific gravity. |
Weight the piece broke with. |
Direct cohesion on 1 square inch. | ||
Inches. | lbs. | lbs. | ||||
3 | 2 × 2 × 30 | 558 | 16,240 | 4,060 | ||
4 | 544 | 17,360 | 4,340 | |||
5 | 625 | 28,560 | 7,140 | |||
6 | 625 | 25,760 | 6,440 | |||
Total. | ... | 2352 | 87,920 | 21,980 | ||
Average | ... | 588 | 21,980 | 5,495 |