WOOD PRESERVATION. 251 



National timber preserving company. Circular. 12 p. 8. [Philadelphia 

 1875?] 



Puget Sound timber preserving company. [Treatise on timber preservation 

 with extracts from the best known authorities] 144 p. '16. [San Francisco, n. d.] 



Howe, Samuel McMath. Hand book of timber preservation. Souvenir ed., rev. 

 _'<);$ p. plates. 16. Chicago, 1904. 4-4074 



Scammell, Edward Thomas. Paper on the preservation of timber with special 

 reference to its protection from dry rot and the increase of its usefulness for estate 

 fencing and other purposes. 44 p. 8. London, 1903. 



From the Transactions of the Surveyors' Institution, 1903-1904, v. 30, pt. 3, p. 09-112. 



Schrenk, Hermann von. Decay of timber and methods of preventing it. 96 p. 

 illus., 18 pi. 4. Washington, 1902. (U. S. Dept. of agriculture Bureau of plant 

 industry. Bulletin 14) Agr 9 136 



Schrenk, Hermann von. Recent progress in timber preservation. (In U. S. 

 Dept. of agriculture. Yearbook, 1903. p. 427-440. 3 pi. 8. Washington, 1904) 



Agr 7 990 



Schrenk, Hermann von. Timber preservation. 31 p. illus. 8. St. Louis, 

 Mo. [n. d.] 



Sherfesee, William Forsythe. A primer of wood preservation. 15 p. 8. 

 Washington, 1908. (U. S. Dept. of agriculture Forest service. Circular 139) 



Agr S 297 



Sherfesee, William Forsythe. W r ood preservation in the United States. 31 p. 

 illus., 4 pi. 8. Washington, 1909. (U. S. Dept. of agriculture Forest service. 

 Bulletin 78) Agr 9 2572 



Suffolk wood preserving company, Boston. Preservation of wood and lumber 

 from mould, decay and destruction by worms. 24 p. pi. 8. Boston, 1869. 



Tuzson, Johann. Anatomische und mykologische untersuchungen iiber die zer^ 

 .setzung und konservierung des rotbuchenholzes. 89 p. 3 col. pi. 8. Berlin, 

 1905. Agr 8-1158 



United States Dept. of agriculture Forest service. Increasing the durability of 

 timber. 4 p. 8. [Washington, 1887] (U. S. Dept. of agriculture Division of 

 forestry. Circular 3) 



- 5 p. 8. Washington, 1898. (U.S. Dept. of agriculture Division of 

 forestry. Circular 20) Agr 9459 



United States Dept. of agriculture Forest service. Timber preservation and 

 timber testing at the Louisiana purchase exposition. 6 p. 8. [Washington, 1904?] 



Agr 72369 



/;. PRESERVATIVES AND PROCESSES. 



Alleman, Gellert. Quantity and character of creosote in well-preserved timbers. 

 16 p. illus. 8. [Washington] 1907. (U. S. Dept. of agriculture Forest service. 

 Circular 98) Apr 71630 



American wood preserving company. Thilmany process; sulphate of baryta 

 especially adapted for railroad ties, telegraph poles, wood pavement blocks, etc. 

 18 p. 8. Cleveland, 1875. 



Andrews, Edward R. The Hayford process and apparatus for preserving timber. 

 24 p. 8. Philadelphia, 1878. 



Reprinted from the Journal of the Franklin institute for Feb. and Mar., 1878. 



Barshall impregnating company. Treatise on wood preservation with special 

 reference to a new German process (Hasselmann patents) that is thorough, reliable 

 and permanent. 32 p. 16. New York, 1900. 



