and Strength of Timbers. 
127 
1 Number of experi- 
ment. 
Names of the 
woods. 
Specific gravity. 
Greatestweigh 
and deflection 
while the elas- 
ticity remain- 
ed perfect. 
Breaking weight in 
lbs. 
Ultimate deflection in 
inches. 
Value of 
U 
from the 
formula, 
/ 3 
U= rtA 
Value of 
E 
from the 
formula, 
„ /* W' 
E = JTT 
Value of 
S 
from the 
formula, 
s- /w ; 
4 ad* 
Weigh 
in lbs. 
Deflec- 
tion ir 
inches 
56 
From Bombay, re- 
714 
300 
.9 
1000 
5.5 
57 
ceived at Cossipore 
683 
450 
1.5 
750 
5.15 
58 
April 1825. 
680 
300 
.95 
900 
5.1 
59 
690 
450 
1.475 
966 
3.6 
60 
683 
300 
1.1 
800 
4.9 
61 
690 
300 
1.025 
SOO 
3.85 
Mean results 
690 
550 
1.158 
869 
4.68 
553 
7050777 
1955 
38 
Sissoo. 
683 
300 
1.1 
792 
3.9 
39 
Inferior specimens, 
700 
300 
1.225 
816 
4.0 
seasoned, cut near 
the root. 
Mean results 
691 
300 
1.162 
804 
3.95 
668 
6022719 
1809 
62 
Received at Cossi- 
730 
300 
1.05 
1000 
4.1 
63 
pore yard 1819. 
714 
300 
1.05 
1240 
7.0 
64 
700 
300 
1.125 
850 
3.4 
Mean results 
714 
300 
1.675 
1030 
4.841 
535 
4178149 
2317 
49 
PUSSOOH. 
770 
100 
.8 
810 
4.2 
52 
Large, 1825 ; cut 
880 
100 
.90 
450 
3.0 
near heart, prime. 
Mean results 
825 
100 
.85 
630 
3.6 
724 
2744470 
1417 
47 
Small 1826, near 
700 
100 
.6 
660 
3.0 
48 
heart. 
710 
100 
.5 
630 
2.8 
Mean results 
705 
100 
.55 
645 
2.9 
893 
4241454 
1451 
GOMAR. 
1 
Imported 1826; in- 
440 
100 
.4 
509 
6.05 
36 
ferior specimens. 
514 
100 
.8 
450 
4.0 
37 
cut from side; from 
444 
100 
7 
540 
3.5 
Sunderbuns. 
Mean results 
466 
100 
.633 
499 
4.5 
574 
3685308 
1124 
250 
MORUNC SAUL. 
1028 
500 
1.0 
1150 
3.5 
*251 
Chowker, 1st size, 
1100 
500 
1.05 
954 
2 8 
90 
imported 1826, old 
1080 
450 
.925 
1121 
3 4 
253 
timber, from the 
1015 
500 
1.0 
1150 
2 7 
267 
side ; the specimens 
1100 
550 
1.1 
1210 
3 3 
268 
thus marked 1 * were 
1090 
500 
1.0 
1124 
3.2 
*29( 
of rather inferior 
1110 
500 
1.225 
974 
4.0 
*297 
duality, cut from 
1100 
500 
1.375 
1000 
4.6 
*298 
wood in which the 
1100 
450 
.9 
1012 
35 
*299 
sap predominated. 
1080 
500 
.825 
1096 
3.6 
