x1x,] CANADIAN OAK. 109 
TABLE XLII. 
Tensile Experiments. 
Number . : . Weight the Direct 
D of Specific : Z 
wpekinen, | smemmeenes | aimee, | Seca Erobe | eotesion 
Inches. i Ibs. Ibs. 
i 758 19,600 41900 
73 19,052 4,793 
9 2x BXSO 4 93g ft aa74B | 2,037 
10 738 10,920 2,730 
Total . seu 2966 | 61,320 15,330 
Average de 7415 15,330 3,832 
TABLE XLIII. 
Vertical or Crushing Strain on cubes of 2 inches. 
No. 11. | No. 12. | No. 13. | No. 14. | No. 15. | No. 16.| Total. |Average.! Ditto on 
: I square 
Tons. Tons. | Tons. Tons. Tons. | Tons. Tons. Tons. inch. 
10°75 | 10°75 | 10o’5 | 10°5 | 10°5 | 10°125 | 63°125 | 10'521 | 2°630 
E = 703230. S = 1897. 
THE CANADIAN OAK TREE (Quwercaus Rubra). 
THIs tree is of perfectly straight growth, and yields the 
timber of commerce in logs varying from 25 to 50 feet 
in length by 12 to 24 inches square. 
The wood is brown in colour, has a fine straight clean 
grain, is somewhat porous, shrinks moderately without 
splitting, is easy to work, and stands well after seasoning. 
It is remarkable for its very slow growth. 
About 4,000 loads of this Canadian Oak timber are 
usually imported annually into London, and a far greater 
quantity into the Liverpool market, for the use of 
cabinet-makers and general dealers, who employ it for 
