WOOD TECHNOLOGY 669 



Rud, A. M. (13257) 



what we learned about wood. Sat Evening Post 191 (44) : 37-38, 93, 

 illus. 1919. 



Saxton, J. B. (13258) 



wind shake in Douglas fir timber. Jour. Forestry 16 : 734. 1918. 



Sohrenk, Hermann von. (13259) 



tupelo ; character, uses, treatment. South. Lumberman 603 : 41-43, illus. 

 1906. 



Sherman, E. C. (13260) 



crushing tests on water-soaked timbers. Ry. and Engin. Rev. 62 (1) : 

 22, illus. 1909. 



Sieber, Rudolf. (13261) 



weight of wood and quantity of pulp. Paper 33 (21) : 7-10, illus. 1924. 



Simpson, T. R. (13262) 



inclined-bearing tests on douglas fir and white pine. Engin. News-Rec. 

 85 (14) : 654-655, illus. 1920. 



Snow, C. H. (13263) 



wood and other organic structural materials. 478 pp., illus. New York 

 1917. 



Sowers, J. I. (13264) 



structural materials : wood. In Trade Foundations based on producing 

 industries — a prevocational text book, pp. 168-207, illus. 1919. 



Sponsler, O. L. (13265) 



WATER PROOFING PANELS; FACTORS AFFECTING THE WATER RESISTANCE OF PLY- 

 WOOD. Hardwood Rec. 47 (8) : 23-26. 1919. 



Stamm, A. J. (13266) 



DENSITY OF WOOD SUBSTANCE, ABSORPTION BY WOOD AND PERMEABILITY OF WOOD. 



Jour. Phys. Chem. 33 (3) : 398-414. 1929. 

 (13267) 



IMPORTANCE OF PHYSICAL INVESTIGATIONS IN THE STUDY OF THE CONSTITUTION 



of wood. Jour. Chem. Ed. 5 (2) : 129^141, illus. 1928. 



Stang, A. H. (13268) 



compressive tests on balsa wood. Yale Univ. School Forestry, Trop. Woods 

 14 : 12-15. 1928. 



Starker, T. J. (13269) 



a few fallacies about wood. Timberman 27 (7) : 198, 200, 202. 1926. 



Stephen, J. L. (13270) 



determining stresses in the lumber. Hardwood Rec. 64 (1) : 18-19. 1927. 



Sterling, E. A. (13271) 



timber for structural purposes. Natl. Lumber Manfrs. Assoc. Engin. Bur., 

 Engin. Bull. 1, 20 pp. 1916. 



Sterns, R. W. (13272) 



CANADIAN DOUGLAS FIR: ITS MECHANICAL AND PHYSICAL PROPERTIES. Canada 



Dept. Int., Forestry Branch Bull. 60, 84 pp., illus. 1918. 



Stone, Alfred. (13273) 



government timber-tests. Amer. Architect and Bldg. News 58 : 82. 1897. 



Strehan, G. E. (13274) 



THE NEW YORK TIMBER TESTS AND OTHER ENGINEERING ACTIVITIES. South. Pine 



Assoc Rept. 7 : 209 l -214. 1922. 

 Sud worth, G. B., Mell, C. D., and Pittier, Henry. (13275) 



"COLOMBIAN MAHOGANY" (OARINIANa PYRIFORMIS). ITS CHARACTERISTICS AND 

 ITS USE AS A SUBSTITUTE FOR THE TRUE MAHOGANY (SWIETENIA MAHAGONI) , 

 WITH A DESCRIPTION OF THE BOTANICAL CHARACTERS OF OARINIANA PYRIFORMIS. 



U. S. Dept. Agri, Forest Serv. Circ. 185, 16 pp., illus. 1911. 

 Swan, O. T. (13276) 



THE STRENGTH OF TIMBER; A FACTOR IN MERCHANDISING. North Hemlock and 



Hardwood Manfrs. Assoc. Bull. 393, 6 pp. 1916. 



