RESISTANCE OF HARDWOODS TO CREOSOTE. 
29 
40| | | | | | | | | pp 
- 
SUuAK 
nArLfe. 
s 
k. 
-24 
o 2 *r- 
u 
J 
<«* ^>w 
J.I6 - - 
--(£- ^ 
3 ^» 
§ H ■ AR 
rwooEy 
£ 
/ 
« -Jl- 
f 
3 7% 
J \ 
7 
8 _ _ J£--V 
t 
2 £ 
r~ 
£ V 
1 
7 T V 
T 
4 i J 
>* 
s 
it 
40 
1 
■~] 
| 
36 
[ 
SILVER MAPLE 
32 
J 
\ 
H 20 
^ 
Pv 
S 
^ 
' 
^> 
b. 
/ 
( 
*— 
3 
^ 
r< 
|H 
=o 
U 
z 
r* 
**■ 
\ 
u 
-a 
v 
\ 
10 
•/."■ 
IfOO 
i 
e 
s 
u 
fi-2© 
/ 
y 
/ 
\ 
i 
HeAF 
_! 
I 
A- 
£ 
/ 
t 
// 
a. 
jf 
§12 
ca 
1 
■ J 
.-■' 
/ 
8 
.' 
J 
1 
- 
/ 
/ 
^ 
/ 
' 
/ 
/ 
(* 
FOREST PRODUCTS LABORATORY 
<>.. 
m 
,1915 
25 50 75 100 125 
PRESSURE-. LBS. PER SQ. IN. 
25 50 75 100 125 
PRESSURE -LBS. PER SO. IN. 
Fig. 14. — Absorption in the heartwood of sugar maple and silver maple and the sapwood 
of silver maple. 
«VQ 
it 
36 
it 
WHITE OAK 
32 
H 28 
© 
65 24 
u 
e 
e-SO 
-J 
i 
c. 
6 
HEA 
4 
-^ 
■ 
C 
- 
2£ 
5 
: 
~ 
5 
V 
j 
12 
5 
50 
u 
%i 
®24 
.20 
I 
1 S@ 
BURR OAK 
n 
HEARTWOOD 
PRESSURE-LBS. PER SQ. IN. 
25 50 75 100 125 
PRESSURE- LBS. PER SQ. IN. 
150 
Fig. 15.— Absorption in the heartv/ood of white oak and bur oak. 
