TIMBEE OF THE UNITED STATES AND CANADA 119 
Eesults of Tests in Bending at Rupture. 
(Pounds per square inch.) 
Si)ecies. 
Number 
of 
Tests. 
Highest 
Single 
Test. 
Lowest 
Single 
Test. 
Average 
Highest. 
10 per 
cent, of 
Tests. 
Average 
Lowest. 
10 per 
cent, of 
Tests. 
Average 
of all 
Tests. 
Propor- 
tion of 
Tests 
within 
10 per 
cent, of 
Average. 
Propor- 
tion of 
Tests 
within 
26 per 
cent, of 
Average. 
Reduced to 15 per 
cent, moisture. 
Longleaf Pine . 
1,160 
17,800 
3,300 
14,200 
8,800 
10,900 
41 
84 
Cuban Fine 
390 
17,000 
2,900 
14,600 
8,800 
11,900 
46 
83 
Shortleaf Pine . 
330 
15,300 
5,000 
12,400 
7,000 
9,200 
40 
79 
Loblolly Pine 
650 
14,800 
3,900 
13,100 
8,100 
10,100 
44 
84 
Reduced to 12 per 
cent, moisture. 
White Pine . 
120 
11,100 
4,600 
10,100 
5,000 
7,900 
43 
81 
Red Pin e . 
95 
12,900 
3,100 
12,300 
4,900 
9,100 
28 
60 
Spruce Pine 
170 
16,300 
3,100 
13,600 
5,800 
10,000 
43 
81 
Bald Cypress 
655 
14,800 
2,300 
11,700 
■5,000 
7,900 
25 
69 
White Cedar 
87 
9,100 
3,500 
8,400 
4,000 
6,300 
32 
78 
Douglas Spruce 
(Oregon) 1 
41 
13,000 
8,800 
12,000 
4,100 
7,900 
22 
58 
White Oak . 
218 
20,300 
5,700 
18,500 
7,600 
13,100 
39 
75 
Overcup Oak 
216 
19,600 
4,900 
14,900 
6,300 
11,300 
47 
81 
Post Oak . 
49 
16,400 
5,100 
15,300 
7,400 
12,300 
47 
92 
Cow Oak . 
256 
23,000 
3,300 
12,600 
6,600 
11,500 
32 
68 
Red Oak . 
57 
16,500 
5,700 
15,400 
9,100 
11,400 
46 
84 
Texan Oak . 
117 
19,500 
8,200 
16,900 
10,000 
13,100 
64 
86 
Yellow Oak 
40 
15,000 
6,100 
14,600 
5,700 
10,800 
28 
65 
Water Oak . 
31 
16,000 
5,800 
15,700 
7,200 
12,400 
40 
76 
Willow Oak 
153 
16,000 
3,200 
13,800 
5,400 
10,400 
33 
70 
Spanish Oak 
257 
17,300 
5,000 
15,600 
6,900 
12,000 
40 
72 
Shagl)ark Hickory 
187 
23,300 
5,700 
20,300 
9,400 
16,000 
46 
84 
Mockernut Hickory . 
75 
20,700 
5,300 
19,700 
7,900 
15,200 
45 
78 
Water Hickory . 
14 
18,000 
5,300 
17,300 
5,400 
12,500 
21 
64 
Bitternut Hickory 
25 
19,500 
7,000 
19,300 
8,700 
15,000 
28 
60 
Nntni eg Hickory 
72 
16,600 
6,700 
15,600 
8,100 
12,500 
40 
88 
Pecan Hickory . 
37 
18,300 
5,600 
18,100 
10,300 
15,300 
38 
96 
Pignut Hickory . 
30 
25,000 
11,100 
24,.300 
11,500 
18,700 
43 
77 
Wliite I<:lm . 
18 
14,000 
7,300 
13,600 
7,300 
10,300 
44 
72 
Ced.ir Elm . 
44 
19,200 
6,600 
17,300 
8,600 
13,500 
50 
86 
Wliite Ash . 
87 
15,000 
5,000 
14,200 
6,300 
10,800 
37 
77 
Green Ash . 
10 
16,000 
5,100 
16,000 
5,100 
11,600 
20 
60 
Swei't Gum (Satin 
Walnut) . 
118 
14,400 
5,100 
12,700 
6,000 
9,600 
39 
79 
1 Actual tests on " dry" material not reduced for moisture. 
