138 



Computing-, E. A. ZIEGLER. 



Compilation of forest tables E. A. ZIEGLER and W. B. BARROWS, both at Washing- 

 ton, D. C. 

 Computing Silvical data; timber tests; timber sales. 



Wood Chemistry, H. S. BRISTOL. 



Study' of methods of wood distillation and for the standardization and grading of 

 turpentines L. F. HAWLEY, Washington, D. C.; assistant, F. E. LICHTENTHAELER, 

 88 Broad street, Boston, Mass. 



Experiments with various woods and waste materials for paper pulp E. SUTER- 

 MEISTER; assistant, H. E. SURFACE, both at Washington, D. C. 



Study of wood preservatives and of chemical problems in wood utilization E. 

 BATEMAN; assistant, C. F. SPEH, both at Washington, D. C. 



Wood Uses, ROLF THELEN, Acting. 



Connecticut 



Effect of drying on strength of timber, in cooperation with Yale University H. D. 

 TIEMANN, Yale Station, New Haven; assistants, H. E. MCKENZIE and CORNELIUS 

 BARRY. 



Indiana 



Tests of structural timbers, including several hickories, in cooperation with Purdue 

 University, the Illinois Central Railway Company, and the National Hickory Asso- 

 ciation W. K. HATT, Purdue University, La Fayette; assistants, J. A. NEWLIN, J. O. 

 BIXBY, WILLIAM D. DUDDING, T. LYONS, and H. WEYLS. 



General Studies 



Collection of statistics of forest products, in cooperation with the Bureau of [the 

 Census A. H. PIERSON, Washington, D. C. ; GEORGE K. SMITH, Lumbermen's Build- 

 ing, St. Louis, Mo. 



Studies in the heat conductivity of wood FREDERICK DUNLAP, Washington, D. C. 



Study of wood-using industries and markets for forest products H. S. SACKETT, 

 Washington, D. C. ; FRANKLIN. H. SMITH, 776 Federal Building, Chicago, 111. 



Microscopic study of the mechanical failure of wood W. D. BRUSH, Washington, 

 D. C. 



WOOD PRESERVATION. 



W. T. SHERFESEE,;Chief. 



Compilation of data on wood preservation M. C. JENSEN, Washington, D. C. 



Cooperation, JOHN M. NELSON, Jr. 



Alabama 



onstruction and experimental operation of a wood-preserving plant, in coopera- 

 tion with the Tennessee Coal, Iron and Railroad Company EDWARD H. FORD, 

 Birmingham. 



Indiana 



Supervising the preparation of designs for a treating plant, in cooperation with 

 the Indianapolis, Columbus, and Southern Traction Company E. W. PETERS, 

 Washington, D. C. 



Iowa 



Preservative treatment of fence posts and other farm timbers, in cooperation with 

 the State College Experiment Station Prof. C. A. SCOTT, Ames. 



