672 MISC. PUBLICATION 3 6 4, U. S. DEPT. OF AGRICULTURE 

 Wilson, T. R. C. (13316) 



THE EFFECT OF KILN DRYING ON THE STRENGTH OF AIRPLANE WOODS. U. S. Natl. 



Advisory Com. for Aeronautics Jtept. 68, 69 pp., illus. 1920. 

 (13317) 



THE EFFECT OF SPIRAL GRAIN ON THE STRENGTH OF WOOD. Jour. Forestry 19: 



740-747, illus. 1921. 



— (13318) 



impact tests of wood. Amer. Soc. Testing Materials Proc. 22 (2) : 55-70, 

 illus. 1922. 



— (13319) 

 moisture in wood and its relation to strength. Anier. Lumberman 2879: 



58-59, 1930. Also pub. in South. Lumberman 1785 : 58, 60. 1930. 



— (13320) 

 relation of moisture to strength in wood and effect of seasoning. Wood 



Working Indus. 8 (2) : 36-37. 1930. 



— (13321) 

 some tests of end-matched lumber. South. Lumberman 1734 : 197-202, illus. 



1928. 



— (13322) 

 strength tests of cross-arms. U. S. Dept. Agr., Forest Serv. Circ. 204. 15 



pp., illus. 1912. 



— and Bateman, Ernest. (13323) 

 results of some tests of the effect of zinc chloride on the strength of 



wood. Amer. Wood Preservers' Assoc. Proc. 17: 80-88, illus. 1921. 



— , Carlson, T. A., and Luxford. R. F. (13324) 



the effect of partial seasoning on the strength of wood. Amer. Wood 

 Preservers' Assoc. Proc. 26 : 349-379, illus. 1930. 



Winchester, L. S. (13325) 



AN EXPERIMENTAL DETERMINATION OF THE STRENGTH OF FULL-SIZED TELEPHONE 



poles. Elect. World 57 (11) : 667-671. 1911. 



Wing, S. R. (13326) 



notes on transverse test of wood. Sibley Jour. Engin. 28: 364-373, illus. 

 1914. 



Winslow, C. P., and Newlin, J. A. (13327) 



discussion on woods suitable for crossttes. Amer. Wood Preservers' Assoc. 

 Proc. 12: 238-247, illus. 1916. 



Winter, C. H. (13328) 



testing products of the forest. Amer. Indus. 22 : 29-34. 1922. 



Zeller, S. M. (13329) 



density factor safe guide to strength of structural timbers. Engin. and 

 Contract. 48 (22) : 437-438. 1917. 



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STUDIES IN THE PHYSIOLOGY OF THE FUNGI: 3. PHYSICAL PROPERTIES OF WOOD IN 

 RELATION TO DECAY INDUCED BY LEN SITES SAEPIARIA FRIES. Ann. Mo. Bot. 



Gard. 4 : 93-164. 1917. 

 Zimmerman, C. W. (13331) 



TESTING WESTERN WOODS : AN IMPORTANT UNITED STATES FOREST SERVICE ACTIVITY 



at the university of Washington. Wash. [State] Univ. Forest Club 

 Quart. 2 (2) : 21-27, illus. 1923. 



(13332) 



TESTS OF THE HOLDING FORCE OF COMMON AND SCREW RAILROAD SPIKES IN 



natural and treated douglas fir ties. West Coast Lumberman 43 (507) : 

 32, 34, 39, illus. 1922. 



(13333) 



tests of western yellow pine car sills, joists, and small clear pieces. 



U. S. Dept. Agr. Bull. 497, 16 pp., illus. 1917. 



