XX.]
INDIAN TEAK.
125
Number of the specimen. |
Deflections. | Total weight required to break each piece. |
Specific gravity. |
Weight reduced to specific gravity 1000. |
Weight required to break 1 square inch. | ||
With the apparatus weighing 390 lbs. |
After the weight was removed. |
At the crisis of breaking. | |||||
Inches. | Inch. | Inches. | lbs. | lbs. | |||
7 | 2.05 | .25 | 5.50 | 840 | 712 | 1179 | 210.00 |
8 | 1.35 | .10 | 4.50 | 971 | 787 | 1233 | 242.75 |
9 | 1.75 | .15 | 4.75 | 867 | 840 | 1032 | 216.75 |
10 | 1.65 | .00 | 5.00 | 915 | 724 | 1277 | 228.75 |
11 | 1.75 | .00 | 7.50 | 923 | 720 | 1282 | 230.75 |
12 | 1.35 | .00 | 5.00 | 960 | 874 | 1098 | 240.00 |
Total | 9.90 | .50 | 32.25 | 5476 | 4657 | 7101 | 1369.00 |
Average | 1.65 | .083 | 5.375 | 912.66 | 776.16 | 1183.5 | 228.16 |
E = 576220.S = 2394. |
Reamrks.—Each piece broke short to the depth of about one-third, then with scarph-like fracture, 8 to 12 inches in length.
Number of the specimen. |
Deflections. | Total weight required to break each piece. |
Specific gravity. |
Weight reduced to specific gravity 1000. |
Weight required to break 1 square inch. | ||
With the apparatus weighing 390 lbs. |
After the weight was removed. |
At the crisis of breaking. | |||||
Inches. | Inch. | Inches. | lbs. | lbs. | |||
13 | 1.25 | .0 | 5.25 | 950 | 910 | 1044 | 237.5 |
14 | 2.10 | .0 | 7.00 | 850 | 821 | 1035 | 212.5 |
15 | 1.75 | .0 | 7.00 | 920 | 805 | 10l8 | 230.0 |
16 | 1.90 | .0 | 6.75 | 816 | 790 | 1033 | 204.0 |
17 | 1.50 | .0 | 6.50 | 920 | 800 | 1150 | 230.0 |
18 | 3.15 | .5 | 6.25 | 602 | 726 | 829 | 150.5 |
Total | 11.65 | .5 | 38.75 | 5058 | 4852 | 6109 | 1264.5 |
Average | 1.942 | .083 | 6.485 | 843 | 808.66 | 1018.16 | 210.75 |
E = 485720.S = 2213. |
Remarks.—Each piece broke short to the depth of about one-fifth, then with scarph-like and fibrous fracture, 10 to 14 inches in length.