WOOD PRESEBVATION. 253 



Weiss, Johann E., and others. Die Hasselmann'sche impragniermethode; vor- 

 trage von J. E. Weiss, M. Krause, J. Bleibinhaus gehalten im Polytechnischen verein 

 in Miinchen ... am 7 marz 1898 und auf dem 7. allgem. deutschen bergmannstage 

 daselbst; gutachten von L. Roesler. 14 p. f. Neu-Ruppin, 1899. 



c. TREATMENT OF WOOD FOU DIFFERENT USES. 



Eastman, Harold Benjamin. Experiments with railway cross-ties. 22 p. 

 illus., 2 fold, diagrs., tables. 8. Washington, 1908. (U. S. Dept. of agriculture- 

 Forest service. Circular 146) Agr 8 425 



Grinnell, Henry. Prolonging the life of telephone poles. (In U. S. Dept. of 

 agriculture. Yearbook, 1905. p. 455-464. pi. 8. Washington, 1906) Agr 6-1088 



Grinnell, Henry. Seasoning of telephone and telegraph poles. 16 p. 8. 

 Washington, 1907. (U. S. Dept. of agriculture Forest service. Circular 103) 



Agr 71964 



Isaacs, John D. Preservation of structural timber. 13 p. 8. Sacramento, 

 Cal., 1896. 

 Reprinted from the 13th report of California state mineralogist, 1896. 



Lorenz, Norbert, fitter von Liburnau. Impragnierung von buchenschwellen 

 mit arsenigsaurem kupferoxyd. 5 p. 8. Wien, 1909. Agr 10-373 



Mitteilungen aus dem forstlichen versuchswesen Osterreichs. 



Nelson, John M., jr. Prolonging the life of mine timbers. 22 p. illus., diagrs. 

 8. Washington, 1907. (U. S. Dept. of agriculture Forest service. Circular 111) 



Agr 7-2239 



Schrenk, Hermann von. Cross-tie forms and rail fastenings, with special refer- 

 ence to treated timbers. 70 p. illus., 5 pi. 8. Washington, 1904. (U. S. Dept. 

 of agriculture Bureau of forestry. Bulletin 50) Agr 9 429 



Schrenk, Hermann von. Report on the condition of treated timbers laid in 

 Texas, February, 1902. 45 p. 3 pi. 8. Washington, 1904. (U. S. Dept. of 

 agriculture Bureau of forestry. Bulletin 51) Agr 9 430 



Sherfesee, William Forsythe. The preservative treatment of loblolly pine 

 cross-arms. 29 p. illus. 8. Washington, 1908. (U. S. Dept. of agriculture- 

 Forest service. Circular 151) Agr 8 729 



Sherfesee, William Forsythe. The seasoning and preservative treatment of 

 hemlock and tamarack cross-ties. 31 p. illus. 8. [Washington] 1908. fU. S. 

 Dept. of agriculture Forest service. Circular 132) Agr 8 74 



Smith, Charles Stowell. Preservation of piling against marine wood borers. 

 15 p. illus., diagrs. 8. Washington, 1907. (U. S. Dept. of agriculture Forest 

 service. Circular 128) Agr 8-221 



Smith, Charles Stowell. The seasoning and preservative treatment of arbor- 

 vitse poles. 29 p. diagrs. 8. Washington, 1908. (U. S. Dept. of agriculture- 

 Forest service. Circularise) Agr 8 222 



Wade, Richard, sons & co., ltd. Creosoted wooden poles for electrical power 

 transmission, telegraph, telephone work, &c., their strength and use. 91 p. illus. 

 8. [Hull, 1907] 



Weiss, Howard Frederick. The preservative treatment of fence posts. 15 p. 

 diagrs. 8. [Washington] 1907. (U. S. Dept. of agriculture Forest service. Cir- 

 cularllT) Agr 7-2375 



Weiss, Howard Frederick. Progress in chestnut pole preservation. 14 p. diagrs. 

 8. Washington, 1908. (U. S. Dept. of agriculture. Forest service. Circular 147) 



