WOOD TECHNOLOGY 787 



Trimble, Henry. (15533) 



the tannins of the palmettos. Gard. and Forest 9 : 182-183. 1896. 



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tannin value of some north American trees. Gard. and Forest 9: 162- 



163. 1896. 



United States Bureau of Foreign and Domestic Commerce, Hide and Leather 

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tanning materials survey, parts 1—3. U. S. Dept. Com., Bur. Foreign and 

 Dom. Com., Trade Inform. Bulls. 167, 211, 295. 1924. 



Veitch, F. P. » (15535) 



A DISCUSSION OF METHODS FOR THE ESTIMATION OF TANNIN. U. S. Dept. Agl\, 



Bur. Chem. Bull. 90 : 215-218. 1905. 



(15536) 



THE EXTRACTION OF TANNING MATERIALS WITH DIFFERENT EXTRACTORS. U. S. 



Dept. Agr., Bur. Chem. Bull. 90 : 212-214. 1905. 



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tanning materials. In Bailev, L. H, Cyclopedia of American Agriculture, 

 v. 2, pp. 623-629, illus. 1907. 



and Rogers, J. S. (15538) 



AMERICAN SUMAC ; A VALUABLE TANNING MATERIAL AND DYESTUFF. U. S. Dept. 



Agr. Bull. 706, 12 pp., illus. 1918. 



Westwood, R. W. (15539) 



tannin for strengthening leather. Nature Mag. 4(2): 87-89, illus. 1924. 



Wilbur, D. F. 15540) 



TANNIC EXTRACTS FROM CHESTNUT AND OTHER WOODS. U. S. Daily ConS. Rept. 



207: 866. 1917. 



Wiley, S. H. (15541) 



Paraguayan woods containing tannin. U. S. Daily Cons. Rept. 243 : 236. 

 1915. 



Wilson, Otto. (15542) 



latin amerioa as a source of tanning materials. Chem. and Metall. Engin. 

 30 (8) : 303-305, illus. 1924. 



(15543) 



LATIN AMERICA'S GREATEST CONTRIBUTION TO THE TANNING INDUSTRY : QUEBRACHO. 



Chem. and Metall. Engin. 30 (9) : 344-346, illus. 1924. 



(15544) 



tanning materials of latin America. Chem. and Metall. Engin. 30 (10) : 



398-399, illus. 1924. 



Wolesensky, Edward. (15545) 



INVESTIGATION OF SYNTHETIC TANNING MATERIALS. U. S. Dept. Com., Bur. 



Standards, Technol. Paper 302, 45 pp. 1925. 



UTILIZATION OF WASTE 



Agree, S. F. (15547) 



WHAT CHEMISTRY HAS DONE TO AID THE UTILIZATION OF WOOD. Jour. IndUS. 



and Engin. Chem. 7 : 913-915. 1915. 



Ahara, E. V. (15548) 



wood room mill waste fuel. Paper Trade Jour. 87 (19) : 61-65, illus. 1928. 



Allen, Charles. (15549) 



waste reduction; the problem of to-day. Canada Lumberman 33 (19): 

 32-33; (20) : 32-33; (22) : 34-35. 1913. 



Archibald, E. B. (15550) 



the wood refuse producer gas plant. Pulp and Paper Mag. 11 (1) : 32-33. 

 1913. 



Arnold, L. K. (15551) 



wood waste as a raw material. Ames Forester 1930: 17-23, illus. 1930. 



Bache, Rene. (15552) 



finding uses for waste wood. Tech. World Mag. 23 : 757-759, illus. 1915. 



