34 



BULLETIN 606, U. S. DEPARTMENT OF AGRICULTURE. 



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



WHITE HEART BEECH. 





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. 



86 



Per ct. 

 6.7 

 7.6 



8 



7 

 8 



Pounds. 

 43.20 

 42.80 



Hours. 

 i 



2 

 1 



2 



Mn. 



Min. 



Incites. 



14.8 

 18.1 

 23.5 



Inches. 

 0.18 

 .30 

 Complc 



Inches. 



0.25 



.40 



te 1 



Inches. 



0.20 



.30 



Inches. 

 0.30 



87. 







.40 



88 

























18.8 



.24 



.32 



.25 



.35 



















RED HEART BEECH. 



89 



9.0 

 8.9 



17 

 16 

 15 



41.00 

 40.60 



i 



2 

 1 



2 







0.50 

 .43 

 .57 



0.05 

 .05 

 .05 



0.05 

 .05 







90 











91 























.50 



.05 



.05 































WILD RED 



CHERRY 



— HEARTWOOD. 











83 





6 

 5 

 6 



23.82 

 23.50 



i, 

 \ 

 2 







8.17 

 12.50 

 11.50 



Complt 



do. 



do. 



te' 







84 



3.5 













85 































10.72 

































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

 plete radial penetration they were not included in the average. 



DEPARTMENTAL PUBLICATIONS. 



Title. 



Date of 

 issue. 



The Decay of Timber and Methods of Preventing It. Bureau of Plant In- 

 dustry Bulletin 14 



Seasoning of Timber. Forest Service Bulletin 41 



Cross Tie Forms and Rail Fastenings with Special Reference to Treated 

 Timbers. Forest Service Bulletin 50 



Report on Condition of Treated Timbers Laid in Texas, February, 1902. 

 Forest Service Bulletin 51 



Wood Preservation in the United States. Forest Service Bulletin 78. ... . 



The Fractional Distillation of Coal Tar Creosote. Forest Service Circular 

 80 



Quantity and Character of Creosote in Well Preserved Timbers. Forest 

 Service Circular 98 



The Open Tank Method for the Treatment of Timber. Forest Service Cir- 

 cular 101 



Brush and Tank Pole Treatments. Forest Service Circular 104 



Prolonging the Life of Mine Timbers. Forest Service Circular 111 



The Analysis and Grading of Creosotes. Forest Service Circular 112 



The Preservative Treatment of Fence Posts. Forest Service Circular 117.. 



Preservation of Piling against Marine Wood Borers. Forest Service Circu- 

 lar 128 



Experiments on the Strength of Treated Timber. (Second edition.) For- 

 est Service Circular 39 



1902 

 1903 



1904 



1904 

 1909 



1907 



1907 



1907 

 1907 

 1907 

 1908 

 1907 



1908 



1908 



