XIV, 6 King: Philippine Bast-fiber Ropes 573 
III gives the tensile strength per unit area of the ropes ’when 
tested in an air-dry condition. 
Another series of tests -was made upon specimens that had 
been entirely immersed in tap water for twenty-four hours. In 
Table IV are given the tensile strengths of the ropes tested 
after such immersion. The test pieces were broken imme- 
Table III . — Ropes made of Philippine fibers arrayiged in the order of mean 
tensile strength when dry, beginning with the strongest. The same 
results, arranged in a different order, are given in Table XLIl. 
ROPES MADE OF BAST FIBERS. 
No. 
Fiber, 
$ 
Mean dry tensile 
strength. 
Per sq. 
cm. 
Per sq. 
inch. 
Kilos. 
Lbs. 
1 
773 
11,100 
2 
752 
10, 700 
3 
Ahroma fastuosa; 
643 
9,100 
4 
637 
9,030 
B 
Bombycidendron vidalianuin 
630 
8, 940 
6 
A6ro?na /asiwoso.; crude strips. _ -- - 
545 
7,760 
7 
503 
7, 130 
8 
482 
6, 860 
9 
480 
6,830 
10 
476 
6, 760 
11 
464 
6, 600 
12 
438 
6. 230 
13 
405 
6, 720 
14 
398 
6,660 
IB 
Sterculia crassiramea 
898 
5, 660 
16 
Grewia eHocarpa 
394 
5,630 
17 
Commeraonia bartramia 
392 
B, B80 
18 
388 
6, BOO 
19 
Pterocymhium tinctorium - 
381 
5,420 
20 
376 
6,360 
21 
Artocarp^cs comviunis; old bast . 
367 
B, 220 
22 
Artocarpus communis; young bast 
356 
5, 070 
23 
Goniothalamus amuyon 
345 
4, 940 
24 
324 
4,610 
25 
320 
4, 670 
26 
309 
4, 370 
27 
302 
4, 270 
28 
268 
3 800 
29 
268 
3 son 
30 
Pterospermum diversifolium 
263 
3,740 
31 
231 
3 290 
32 
200 
9 . 840 
33 
154 
9 . 200 
1 
34 
134 
1 920 
406 
6,770 
