280 TIMBER AND TIMBER TREES. (CHAP. 
We are thus enabled to compare the strength of the 
earlier and the later growth of this wood. 
Table CXLIX.—YELLOW PINE (CANADA). 
Transverse Experiments,—2nd Example. 
is Deflections. : 5 | 3 ae Tensile 
3 r Pe = - = § $ Ze § £03 Experiments, 
og [= og 8 eae 0.8 i Mss oan ea 
sf (eae / SEs) o BP eta] | Foe] eee) ss). ¢ 
23 |gs2|f2s| Ss2i ees] & | BSS) 228) Bee] Bee 
eg |s2o| 552) eoq! Se0] moel@oe| 22s | BSE 
Se )euS/Se5/S 2) G28) 8 [sth ers | 232! sag 
a Bs < 3 & a | 3 im = = 4 5 a Z, 2 
Inches. j Inches. | Inches.! _ Ibs. Ibs Ibs. 
7-3 | 150) “50 | 4°25! 508] 568] 537 | 127°0| 2660 |3. 22 
8.2 | 1°25) ‘50 | 4°25! 562] 600] 562 | r40°5| 2800 |2. 23! 
9.1 | 1°50) “50 | 2°25] 480| 537 | 536 | 120°0| 2485 |1. 24! 
10.@} 2°25] 1°10 2°75; 360] 430] 502] goo © 
rr 1/) 185] 785 3°00} 480 | 588 | 490 | 120'0| 2730 | 1°, 25 
12. 2'| 1°90] ‘90 472 512 | 568] Sqr | 1280! 2800 | 2', 26 
13. 3/' 1°75 | °65 3°00; 478 | 566] S07 | 119°5 } 3080 |3'. 27 
as ie ; aa 
Total 12°00 | 5°00 | 23°75 [39380 3857 | 3675 |845 "00 16,555 | _— 
1.-- ———_ ee eee es —- 1. 
: — 
Aver. 1'714 714 | 3°393 482°85 551 | 525 120°71! 2759 | — 
The mean results of the experiments are as follows, 
viz. :— 
The centre piece ©  s.g. 430 broke with 360 Ibs, E = 785170. S= 945 
»» next piecestand1’ ,, 562 Pr 480 ,, E= 902950. S = 1261 
” 2» 2! ” 584 ” 537 » E= 577020. S= 1425 
outer 4, 34, 3'5, 567 » 493 5, E = 822740. S = 1294 
The mean of the 7 pieces being E = 902950 and § = 1267. 
In the above example, there is something like a 
