288 
TIMBER AND TIMBER TREES. [chap. 
The specimens Nos. i to 6 were selected pieces, but 
not all taken from the same tree. 
The following were taken from a continuous strip 
cut the whole length of the tree. 
Table CLIV.— Pitch Pine (American). 
Transverse Experiments. — 2nd Example. 
(Butt to Top, inner part of the tree. Fig. 32^.) 
Number 
of the 
specimen. 
Deflections. 
Total 
weight 
required 
to break 
each 
piece. 
Specific 
gravity. 
Weight 
reduced 
to 
specific 
gravity 
'600. 
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 
1-25 
•10 
975 
860 
932 
554 
215-00 
8 
1-25 
•OO 
5'°° 
1020 
764 
801 
255' co 
9 
1-25 
•OO 
4*5° 
990 
682 
871 
247-50 
10 
i'35 
•OO 
4' 2 5 
874 
652 
804 
218-50 
11 
1-25 
•15 
4'5° 
876 
632 
833 
219-00 
12 
1’4 
'OO 
3' 2 5 
715 
5 S6 
732 
17875 
Total . 
775 
•25 
31 ’25 
5335 
424S 
4595 
*33375 
Average 
1-291 
•0416 
5-208 
889-16 
OO 
O 
766 
222 -29 
Remarks. —No. 7 fractured but not broken asunder, highly resinous; Nos. 8, 9, 10, 
and 11 broke a little short; 12 broke with a long splintery fracture. 
E = 722360. S = 2334. 
Specimens Nos. 7 to 12, with the early layers or 
growth, were taken at about 3 inches from the pith of a 
centre plank cut from a log 42 feet in length. (Fig. 32.) 
jZKZzrzzL-.T- nzi i. , ,Ji j 
11 - Z 1 - «-1 : i : - i 
a 
c 
FIG. 32. — a, b, c. 
