XXXVII.]
KAURI PINE.
301
| Number of the specimen. |
Deflections. | Total weight required to break each piece. |
Specfic gravity. | Weight required to sepcific gravity 600. |
Weight required to break 1 square inch. |
Tensile Experiments | ||||
| With the apparatus weighing 390 lbs. |
After the weight was removed. |
At the crisis of breaking |
Direct cohesion on 1 square in. |
Number of the specimen. | ||||||
| Inches. | Inch. | Inches. | lbs. | lbs. | lbs. | |||||
| 23 | c′ | 1.500 | .150 | 3.500 | 660.0 | 534 | 741 | 165.00 | — | — |
| 24 | b′ | 1.650 | .200 | 3.500 | 630.0 | 560 | 675 | 157.50 | — | — |
| 25 | a′ | 1.600 | .000 | 2.250 | 490.0 | 580 | 507 | 122.50 | — | — |
| 26 | a | 1.400 | .000 | 3.750 | 690.0 | 595 | 696 | 172.50 | 3,412 | 41 |
| 27 | b | 1.500 | .150 | 4.250 | 660.0 | 540 | 733 | 165.00 | 3,220 | 42 |
| 28 | c | 1.600 | .000 | 4.750 | 700.0 | 545 | 771 | 175.00 | 2,485 | 43 |
| Total | 9.250 | .500 | 22.00 | 3830.0 | 3354 | 4123 | 957.50 | — | — | |
| Aver. | 1.541 | .083 | 3.666 | 638.3 | 559 | 687 | 159.58 | — | — | |
Remarks–These specimens broke with a moderate length of fracture.
E = 636440. S = 1676.
| Number of the specimen. |
Deflections. | Total weight required to break each piece. |
Specfic gravity. | Weight required to sepcific gravity 600. |
Weight required to break 1 square inch. |
Tensile Experiments | ||||
| With the apparatus weighing 390 lbs. |
After the weight was removed. |
At the crisis of breaking |
Direct cohesion on 1 square in. |
Number of the specimen. | ||||||
| Inches. | Inch. | Inches. | lbs. | lbs. | lbs. | |||||
| 29 | c′ | 1.500 | .250 | 4.750 | 655.0 | 498 | 788 | 163.750 | — | — |
| 30 | b′ | 1.650 | .250 | 4.250 | 680.0 | 528 | 773 | 170.000 | — | — |
| 31 | c′ | 1.400 | .200 | 5.000 | 695.0 | 553 | 754 | 173.750 | — | — |
| 32 | a | 1.250 | .150 | 4.500 | 740.0 | 560 | 793 | 185.000 | 3290 | 44 |
| 33 | b | 1.350 | .150 | 4.250 | 680.0 | 545 | 749 | 170.000 | 3045 | 45 |
| 34 | c | 1.350 | .250 | 4.000 | 705.0 | 556 | 761 | 176.250 | 3045 | 46 |
| Total | 8.500 | 1.250 | 26.750 | 4155.0 | 3240 | 4618 | 1038.750 | — | — | |
| Aver. | 1.416 | .208 | 4.458 | 692.5 | 540 | 769 | 173.125 | — | — | |
Remarks–These specimens broke with a moderate length of fracture.
E = 735920. S = 1818.
