210
TIMBER AND TIMBER TREES.
[CHAP.
| Number of the specimen. |
Dimensions of the piece. |
Specific gravity. |
Weight the piece broke with. |
Direct cohesion on 1 square inch. |
| Inches. | lbs | lbs | ||
| 3 | 2 × 2 × 30 | 750 | 15,120 | 3,780 |
| No. 4. | No. 5. | No. 6. | No. 7. | Total. | Average. | Ditto on 1 square inch. |
| Tons. | Tons. | Tons. | Tons. | Tons. | Tons. | |
| 13. | 12. | 12.25 | 12.5 | 49.75 | 12.4375 | 3.1094 |
E = 573100.S = 2263.
THE CANADIAN ASH TREE (Fraxinus)
attains moderate dimensions, and yields the timber of commerce in logs varying from 20 to 40 feet in length, by from 10 to 16 inches square. Oar rafters are also produced from it, and until quite recently considerable quantities were brought to this country. These rafters are pieces roughly shaped to the form of oars, and reduced to a minimum of size, to lessen, as far as possible, the cost of freight.
The wood is reddish-brown in colour, and considerably darker than the English Ash. It is plain and straight in the grain, moderately hard and heavy, tough,
