328
TIMBER AND TIMBER TREES.
[CHAP.
| Number | Name of Wood | Specific Gravity | Breaking Weights used for— | ||||||||
| Transverse strain on peices 2″×2″×84″ |
Transverse strain on peices 2″×2″×30″ |
Vertical strain on peices— | |||||||||
| 1″×1″×1″ | 2″×2″×2″ | 3″×3″×3″ | 4″×4″×4″ | ||||||||
| lbs. per sq. in. |
lbs. per sq. in. |
lbs. per sq. in. |
lbs. per sq. in. |
lbs. per sq. in. |
lbs. per sq. in. | ||||||
| 18 | Kauri, New Zealand | 530 | 204 | 4,543 | 3.1900 | 2.6250 | 2.7220 | 2.9290 | |||
| Kauri,„ New Zealand„ Top | (2nd Ex.) | 559 | 160 | -- | -- | -- | -- | -- | |||
| Kauri,„ New Zealand„ Mid | 540 | 173 | -- | -- | -- | -- | -- | ||||
| Kauri,„ New Zealand„ Butt | 570 | 183 | -- | -- | -- | -- | -- | ||||
| 19 | Kranji, Borneo | 1029 | 371 | 10,920 | -- | -- | -- | -- | |||
| 20 | Larch, Russian | 646 | 157 | 4,203 | 2.8750 | 2.6720 | 2.1740 | 2.6630 | |||
| 21 | Mahogany, Cuba | 769 | 214 | 3,791 | 2.7500 | 3.2500 | 3.0240 | 2.4280 | |||
| 22 | Mahogany,„ Honduras | 659 | 201 | 2,998 | 2.8060 | 2.7500 | 3.0040 | 2.8200 | |||
| 23 | Mahognay,„ Mexican | 678 | 196 | 3,427 | 2.4370 | 2.6330 | 2.5490 | 2.3940 | |||
| 24 | Molavé, Phillippine Islands | 1013 | 311 | 7,812 | -- | -- | -- | -- | |||
| 25 | Mora, Trinidad | 1087 | 332 | 9,240 | ... | 3.8120 | -- | -- | |||
| 26 | Oak, Balitmore | 747 | 181 | 3,832 | ... | 2.6300 | -- | -- | |||
| 27 | Oak,„ English | 735 | 194 | 7,571 | 3.562[1] | 3.411[1] | 3.225[1] | 3.151[1] | |||
| Oak,„ English„ (2nd Ex.) | 886 | 209 | ... | 2.396[2] | 2.110[2] | 2.217[2] | 2.064[2] | ||||
| Oak,„ English„ (3rd Ex.) | 862 | 121 | 3,837 | -- | -- | -- | -- | ||||
| 28 | Oak,„ French | 976 | 219 | 8,102 | ... | 3.3457 | -- | -- | |||
| Oak,„ French„ (2nd Ex.) | 1082 | 208 | -- | -- | -- | -- | -- | ||||
| 29 | Oak,„ Dantzic | 835 | 118 | 4,212 | 3.773 | 3.375 | 3.166 | 3.062 | |||
| 30 | Oak,„ Modena | 1109 | 211 | -- | -- | -- | -- | -- | |||
| 31 | Oak,„ Sardinan | 990 | 190 | ... | ... | 2.6040 | -- | -- | |||
