is, 5 Valencia,: Commercial Philippine Timbers 533 
Table 15 . — -Average results of bending tests of timber of structural sizes 
and small specimens — Continued. 
Species. 
Tests. 
Mois- 
ture. 
Spe- 
cific 
gravity 
oven 
dry, 
based 
on vol- 
ume 
when 
green. 
Modu- 
lus of 
elastic 
resili- 
ence. 
Modu- 
lus of 
rup- 
ture. 
Fiber 
stress 
at 
elastic 
limit. 
Modu- 
lus of 
elastic- 
ity. 
Great- 
est cal- 
culated 
longi- 
tudinal 
shear. 
Ratio 
of the 
modu- 
lus of 
rup- 
ture of 
struc- 
tural 
sizes 
and 
small 
speci- 
mens. 
Lumbayan (from mar- 
ket): 
Per 
cent. 
Lbs. per 
Lbs. per 
Lbs. per 
l.OOOlbs. 
per 
sg. in. 
Lbs. per 
sg. in. 
Per 
cent. 
Structural sizes 
3 
27.2 
0.49 
1.06 
6,070 
3,910 
1, 590 
370 
66 
Small specimens— 
14 
21.8 
0.50 
0.89 
9 200 
3 620 
1,520 
330 
Gisok (from market): 
Structural sizes 
4 
17.4 
0.83 
2.90 
14,140 
9,340 
2,970 
800 
77 
Small specimens— 
Borneo Camphor (Ka- 
13 
16.9 
0.84 
2.47 
18,260 
11,340 
2, 920 
650 
por): 
Structural size 
1 
55.3 
0.57 
1.47 
7,610 
5,840 
2,260 
360 
58 
Small specimens... 
5 
55.3 
0.57 
1.47 
13,400 
6, 550 
2,070 
470, 
177655 4 
