

RESISTANCE OF HARDWOODS TO CREOSOTE. 



27 



-r 





























































J 











































f 









































i 



































WHITE ELM 











































































































































































































































































































































































































































































































































































































































t 



■K 



L 







i I 































/ 









S 





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1 







































































rfHE&S 













































1 

























































































1 











































































































































































r 





























































































































































































































































































































































































































































































( 



| 













































J 





















































































































«*t* 















SLIPPERY ELH 



























































































32 





































































































































































































§28 



































































































y. 



















































u 



















































§24 





















































































































































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a 

































































HEAI 





















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a. 



K 



g!2 











































































































































































_P 

























































e 







































































































































































































4 











































































































































































FOBSST PRODUCTS IABCSSATOSY 





























MflOISOB.WIS. 







DC1 





25 50 75 100 125 



PRESSURE-LBS. PER SQ. IN. 



25 50 75 IQO 125 



PRESSUKS~L38. PIR SQ. IN. 



Fig. 12. — Absorption in the heartwood of white elm and slippery elm. 



4,,; - 





" 





_ 



" _L 



























































n«vs\Bfc.nR!i 



































































































It 













It 













_. ± _ 













n^ 



















f 



































































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JV. ! 









S&F 



WOQBj/ ^s 













-z^<i 













7>^ ^q: 













7- JS 













r HS&RTWOOiff 



























~^^^~ 























































































25 50 75 100 



PRESSURE- I.BS. PER SQ. I 



25 50 7S 100 125 



PRESSURE -LBS. PER SQ. IN. 



Fig. 13.' 



-Absorption in the heartwood of hackberry and black willow and the sapwood of 



hackberry. 



