bv 



BULLETIN 606, U. S. DEPARTMENT' OF AGRICULTURE. 



Table 3. — Results of penetrance tests on individual pieces — Continued. 



SYCAMORE— HEARTWOOD. 





Mois- 

 ture. 



Aver- 

 age 

 num- 

 ber of 

 rings 

 per 

 inch. 



Oven 

 dry 

 weight 

 per 

 cubic 

 feet. 



Time of 

 treat- 

 ment. 



Time required 



to penetrate 



24 inches. 



Penetrations. 



Piece No. 



First 

 end. 



Second 

 end. 



Aver- 

 age 

 lon- 

 gitu- 

 dinal. 



Radial. 



Tangential. 





Aver- 

 age. 



Maxi- 

 mum. 



Aver- 

 age. 



Maxi- 

 mum. 



42 



Per ct. 

 5.2 

 0.1 

 1.0 



32 

 32 

 30 



Pounds. 

 35.60 

 34.40 

 35.50 



Hours. 



X 



1 



2 



Min. 



Min. 



Inches. 

 3.83 

 2.94 



5.75 



Inches. 



0.20 



.30 



.20 



Inches. 



0.30 



.40 



.30 



Inches. 



0.20 



.30 



.20 



Inches. 

 0.30 



43 







.30 



4i... 







.30 













4.17 



.23 



.33 



.23 



.30 







i 









LARGETOOTH ASPEN— HEARTWOOD. 



45 







27.63 



27.15 

 28.40 



1 

 2 







5.21 



11. 83 



1.64 



0.30 

 CompU 

 .20 



0.40 



0.50 



0.70 



46 



2.4 

 2.2 





45 







47 



.30 



.25 



.40 















6.23 



.25 



.35 



.38 



.55 



















"WHITE ELM— HEARTWOOD. 



1 



1.8 

 10.5 

 4.8 



16 

 13 

 12 



29.58 

 30.61 

 30.71 



i 

 I 

 2 







8.17 

 4.17 

 14.18 



0.50 

 .40 

 .40 



0.70 

 .50 

 .60 



0.60 

 .50 

 .60 



0.70 



2 







.60 



3 







.60 





Average 











8.84 



.43 



.60 



.57 



.63 



















GREEN ASH. —HEARTWOOD. 



9 



11.2 



11.0 



.9 



12 

 14 

 13 



39.30 

 36.50 

 40.10 



1 



2 



Immediately . . 

 do 



8.84 

 9.50 

 13.50 



0.40 



0.45 



0.40 

 .50 



0.50 



10 



. 50 . 60 



.60 



11 





Complc 



tei 

















10.61 



.45 



. 52 



.45 



55 

















HACKEERRY— HEARTWOOD. 



12 



8 

 10 

 10 



36.70 

 36.30 

 41.70 



l 2 

 2 







6.16 

 14.84 

 11.50 



0.30 

 .40 

 .30 



0.40 



.50 

 .40 



0.40 



.40 

 .30 



0.50 



13 







.50 



14 







.40 













10.83 



.33 



.43 



.37 



.47 



| 















HACKBERRY — SAPWOOD. 



15 



1.5 

 6.0 



8 

 10 



35.20 

 36.40 



i 

 2 2 







6.16 

 10.16 



0.50 

 .40 



0.70 

 .50 



0.60 



.40 | 



0.70 



17 



1 





.50 









8.16 



.45 



.60 



.50 



.'30 



















EUR OAK— HEARTWOOD. 



IS 



8.3 

 8.1 

 12.3 



15 

 15 

 16 



40.70 

 41.56 

 41.10 



! 







0.83 

 .50 

 .50 



0.05 

 .05 

 .05 



0.05 

 .05 

 .05 







19 



1 



2 











20 























.61 



.05 



.05 

























1 Complete radial penetration was at least three-fourths inch. Where parts of specimens showed com- 

 plete radial penetration they were not included in the average. 



