52 



Table III. — Southern yellow pine, longleaf yellow 



[Ultimate breaking stress 

 RECOMMENDED 



Authority. 



W.J.M.Rankine .. 

 Chas. H. Haswell . . 



John C.Trautwine 



Robert II. Thurston 

 Louis De C. Berg .. 



F. E. Kidder 



Mai verd A. Howe. . 



G. Lanza 



A. L.Johnson 



W.M.Patton 



■C C 



z » 



a 



ft 



P. 

 < 



A 

 A 



A 



A 



A 

 A 



Db 

 W 

 A 



Description. 



Yellow pine . . 



Pitch pine 



Yellow pine . . 

 Virginia pine. 

 Georgia pine . 



Yellow pine .. 



Tension. 



With ^rain. 



Limits. 



Georgia y e 1 1 o w 



pine. 



Pitch pine 



Yellow pine 



Pitch pine 



Yellow pine 



Georgia y e 1 1 o w 



pine. 



Pitch pine 



Yellow pine 



Southern yellow 



pine. 



Yellow pine 



Longleaf pine 



Yellow pine 



5, 000-12, 000 

 8, 000-10, 000 



Aver- 

 age. 



13, 000 



19, 200 



Across grain. 



Lim- 

 its. 



10, 000 . 



10, 000 



000 

 000 



000 

 000 

 000 



000 



700 



Aver- 

 age. 



Compression. 



With grain. 



Limits. 



550 

 550 



Aver 

 age. 



5, 400 

 S,947 



550 . . 

 550 .. 



550 -- 



8, 200 



6,500-10,000 . 



1,400-6,000 



5, 400 

 7,400 



8,900 



'8,500 



5. 000 

 11,500 



RESULTS (>F 



U. S. Ordnance Depart- 

 ment, Capt. T. J. 

 Rodman. 



Thomas Laslett 



R. G. Hatfield 



U.S. Tenth Census. 



Robert H.Thurston 

 St. Louis Bridge 



F.E.Kidder 



U. S. Ordnance Depart- 

 ment, Watertown 

 Arsenal. 



U. S. Forestry Division, 

 Bulletin No. 8. 



Yellow pine, well 

 seasoned. 



12,600-19,200 



Pitch pine 



Georgia pine . . . 



Pitch pine 



Longleaf Georgia) 

 pine. 



Yellow pine 



Yellow pine: 



Blocks 



Columns 



Yellow pine 



Yellow pine 



Yellow pine, re- 

 sistance to keys 

 tearing out. 



Longleaf p ine, 

 from Alabama. 



4, 666 

 16,000 



20, 700 



12,066-17,922 



15,47s 



4,170-31,89016,029 



8, 170-11, 503 



4,010-10,600 



, 836-8, 350 



4, 500-4, 917 

 4,650-4,820 



6,462 

 9, 500 



8,500 

 11,950 



4,722 

 4, 735 



4,587-9.850 7,228 



RESULTS OF 



