230 ZIMBER AND TIMBER TREES. (cu. xxvii. 
TABLE CXX, 
Tensile Experiments. 
Number Dimensions . Weight the Direct 
of the of Speen Wace cohesion on 
specimen. each piece. Branly» broke with, | 1 square inch. 
Inches. Ibs. Ibs. 
I 808 28,560 7,140 
2 815 27,440 6,860 
s eneene 815 | 23,520 | 5,880 
4 836 22,960 5,749 
Total. . see 3274 102,480 25,260 
Average . aes 819 25,620 6,405 
TABLE CXXI, 
Vertical or Crushing Strain on cubes of 2 inches. 
No. 5. No. 6. No. 7. No. 8. Total. Average. | Ditto on 
I square 
Tons. Tons. Tons. Tons. Tons. Tons. inch, 
14°25 15" 15°25 15° 59°375 | 14°844 | 37711 
