RESISTAXCE OF HARDWOODS 10 CEEOSOTE. 
27 
40 
I 1 
i 
38 
1 
! 1 
J WHITE ELM 
32 
_4 - - 
J 
1 
; 
s 
i 
u 
1 
"% 
§20 
^ 
>, 
S 
i-^&EAi 
•WOO 9 
"^^ 
sir. 
! y 
—/ ' 
«j> 
/I 1 
< j 
8 
: l 
1 
_J_ 
— j 
1 
4 
i i 
1 
T^ - 
i _L . 
- 4-- 
x 
_]_ 
5LSPPERY ELM 
§ 
__ 
1-56. 
o28- 
£ 
' 
o 
a,/. 
'■ i 
3 2-r- 
i I 
J 
^**b 
""SO- 
^#->*T 
i 1 
a 
1 
1 I 
y- 
--: 
*'- 
WOOD 
1 
.JZL. 
o ,G | 
]Z 
) 
a. 
/ 
/ 
! j 
W 12- 
/ 
i 
< 
/ 
,i 
f 
1 
^[forest products laboratory 
" KA01S08, W IS. 
:;■ 
.1915 
25 5© 75 100 J 25 
PRESSURE-LBS. PER SQ. IN. 
S50 
25 50 75 fOO 125 
PRIS3UFi£-L3S. PgR SQ. IN. 
Fig. 12. — Absorption in the heartwood of white elm and slippery elm. 
36 
e!2 
HACKBERRY 
sAPWoea 
HEARTWOO 
mi 
23 SO 75 109 125 
PRESSURE- 13S, PIR SQ. 5H, 
25 50 75 100 125 
PRESSURE -L3S. PER SS. IN. 
Fig. 13. — Absorption in the heartwood of hackberry and black willow and the sap wood of 
hackberry. 
