1266 TIMBER AND TIMBER TREES. [CHAP. 
TABLE XLVII. 
Tensile Experiments. 
Numb . . a Weight th Direct 
rice tener? ms of Specific pits: Brake hesion on 
specimen. Cae Picee Sravity. with. 1 square inch. 
Inches. lbs. Ibs. 
19 787 14,564 3,641 
20 800 16,240 4,060 
21 724 10,916 2,729 
22 SR ER SO 805 14,000 3,500 
23 726 10, 368 2,592 
24 821 13,152 3,288 
Total . ais 4663 79,240 19,810 
Average. 326 777 | 13,207 | 3,301 
TABLE XLVIII. 
Vertical Experiments on Cubes of 
Number 1 Inch. 2 Inches. 3 Inches. 4 Inches. 
e of the 
specimens. | Crushed with | Crushed with | Crushed with Crushedwith 
Tons, Tons. Tons. Tons. 
25to28 | 2°375 | 12°500 | 23°75 37° 
| 29, 30 2°500 12°500 — _ 
31, 32 2°625 10°750 _ 
33, 34 2°500 “| 10°500 = 
35, 36 2°125 10°750 — 
37, 38 2°375 |. KY125 a 
Total. .| 14°500 68-125 — = 
| Average. | 274166 | 11°354 23°75 37°5 
| Do. perin.}| 2°4166 2838 2°64 27343 
