50 
SECOND SERIES OF TABLES. 
TABLE OF CONSTANTS. No. 2. 
By which, and the Second Series of Tables, may be found the Scantling 
of the following species of Timber sufficient to carry, when loade( 
any given portion of the breaking weight.* 
Name of the Wood. 
Factors 1 
to give the 
breaking 1 
weight of ! Reciprocal 
every'Scant- of the same 
ling in the I 
Second I 
Series, 
Whight 
uniformly loaded. 
Weight suspended 
from the middle. 
Factors 
to give the 
breaking 
weight of 
every Scant- 
ling in the 
Second 
Series, 
c=8S. 
8S 
Reciprocal 
of the same. 
c = 4S. 
1 
Deplkction. 
Relative 
deflection 
when 
loaded with 
the same 
weight. 
c = E. 
Standard, I Strength, ...1344| 
Red Pine j Elasticity, 230000 J 
Acacia 
Ash 
Beech 
Birch, American black ... 
„ Common 
Bullet tree 
C abac ally 
Deal, Christiana 
„ Memel 
Elm 
Fir, Mar Forest 
„ New England 
» Riga 
Green-heart 
Larch 
Locust tree 
Norway spars 
Oak, Adriatic 
„ African (superior quality) 
„ Canadian 
„ Dantzic 
„ English ... 
Pine, Pitch 
„ Red, mean strength, 1341'3 
Poon 
Teak 
Tonquin bean 
8- 000 
11- 113 
12- 067 
9- 270 
10- 821 
11- 476 
15- 773 
14-988 
9-261 
10-303 
6- 041 
7- 235 
6-562 
6- 423 
16- 291 
5-955 
20- 458 
8- 767 
8-229 
14-857 
10-515 
8-750 
8- 497 
9- 713 
7- 983 
13- 218 
14- 661 
21- 583 
Col. I. 
1250 
0899 
0828 
1078 
0924 
0871 
0633 
0667 
1079 
0970 
1655 
1382 
1523 
1556 
0613 
1678 
0488 
1140 
1215 
0673 
0951 
1142 
1176 
1029 
1252 
0756 
0682 
0463 
II. 
4- 000 
5- 556 
6- 033 
4- 635 
5- 410 
5-738 
7- 886 
7- 494 
4- 630 
5- 151 
3-020 
3-617 
3-281 
3- 211 
8- 145 
2- 977 
10-229 
4- 383 
4- 114 
7-428 
5- 257 
4-375 
4-248 
4-856 
3- 991 
6- 609 
7- 330 
10-791 
III. 
2500 
1799 
1657 
2157 
1848 
1742 
1267 
1334 
2159 
1941 
3310 
2764 
3047 
3113 
1227 
3357 
0977 
2281 
2430 
1346 
1902 
2285 
2353 
2059 
2505 
1513 
1364 
0926 
IV. 
1-000 
1-597 
1-118 
1-359 
1-245 
1-118 
-700 
-996 
M57 
1- 119 
2- 678 
2-186 
1-232 
1- 603 
•692 
2- 009 
-945 
1-262 
1-894 
•798 
-950 
1.577 
1-585 
1-502 
1-000 
1-089 
-762 
•692 
V. 
* See Examples, page xxiv. 
