XXII.] 
PINGOW. 
i 37 
Table LVIII. 
Tensile Experiments. 
Number 
of the 
specimen. 
Dimensions 
of 
each piece. 
Specific 
gravity. 
Weight the 
piece broke 
with. 
Direct 
cohesion on 
1 square in. 
Inches. 
lbs. 
lbs. 
7 
\ 
745 
22,400 
5,600 
8 
1 
742 
20,44O 
5 . 1 10 
9 
757 
28,000 
7,000 
10 
748 
25,480 
6,370 
11 
740 
26,600 
6,650 
12 
753 
28,560 
7,140 
Total . 
4485 
151,480 
37,870 
Average 
747’5 
25,246 
6,311 
Table LIX. 
Vertical or Crushing Strain on cubes of 2 inches. 
No. 13. 
No. 14. 
No. 15. 
No. 16. 
Total. 
Average. 
Ditto on 
1 square 
inch. 
Tons. 
Tons. 
Tons. 
Tons. 
Tons. 
Tons. 
I7-I25 
18-625 
18-125 
18-750 
72-625 
18-156 
4'539 
E = 1,259690. S = 3316. 
THE KRANJI, OR RED KRANJI TREE, 
of which it is probable there are varieties of some other 
colour, is likewise found in the island of Borneo; it is a 
tree of straight growth and noble dimensions, and com¬ 
pares favourably with the Chow ; it was imported in 
1860-61 with the latter wood, and ultimately sent to 
Woolwich Dockyard to be employed for naval purposes. 
The wood is red in colour, hard, heavy, exceedingly 
tough, and is one of the strongest with which we are 
acquainted, every one of the specimens, when tried trans¬ 
versely, taking a very heavy strain, and breaking with an 
unusually long fracture ; the grain is close and some¬ 
what resembles Cuba or Spanish Mahogany, but is very 
