96 
THIKD SERIES OF TABLES. 
TABLE OF CONSTANTS. No. 3. 
By which, and the Thh-d Series of Tables, may be found the Scantlings 
of the following species of Timber to have the same strength 
or DEFLECTION as Red Pine, when acted upon by two forces, 
viz., one in the direction of the depth, the other in the direction of 
the breadth. 
Name of the Wood. 
Standard-Red Pine { ^^^^Jj;^ 230000 
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 
Factors to give the 
Factors to give the 
depth and breadth, 
depth and breadth, 
to have the same 
to have the same 
Strensjih. 
Deflection. 
1 
c=4/E 
1 \J\J\J 
1-000 
•896 
1124 
•872 
1^028 
•952 
l^OSO 
•904 
1^057 
•887 
1-028 
•797 
•915 
•811 
•999 
-952 
1-037 
.919 
1-029 
1-098 
1-279 
1-034 
1-216 
1-068 
1-054 • 
1-076 
1-125 
-789 
•912 
1-103 
M91 
-731 
•986 
-970 
1-060 
•991 
M73 
•814 
•945 
-913 
•987 
•971 
M21 
•980 
1-122 
•937 
1-107 
rool 
1-000 
-846 
1-022 
•817 
•934 
•718 
•912 
Col. T. 
[T. 
