6 



Washington 



Tests of western larch, treated Douglas fir, western hemlock, and National Forest 

 woods, in cooperation with the Western Pine M'f rs Ass'n, the Pacific Creosoting 

 Co., the Pacific Coast Lmbr. M'f rs Ass'n, and the University of Washington 0. P. M. 

 Goss, University Station, Seattle; assistant, A. L. HEIM. 



General Studies 



Washington office, timber tests ROLF THELEN, in charge; assistants, T. W. 

 VENEMANN and H. E. MCKENZIE. 



Design of impact testing machine ROLF THELEN, Washington, D. C. 



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 

 Building, St. Louis, Mo. 



Study of commercial processes of wood distillation L. F. HAWLEY, Washington, 

 D. C. 



Study of chemical problems in wood utilization ERNEST BATEMAN and E. SUTER- 

 MEISTER, both at Washington, D. C. ; A. L. DEAN, 93 Broad street, Boston, Mass., and 

 W. C. GEER, Akron, Ohio. 



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



Study of National Forest woods H. B. HOLROYD and H. S. SACKETT, Washing- 

 ton, D. C. 



Tests to determine fuel values of National Forest woods, in cooperation with the 

 U. S. Geological Survey H. S. BETTS, Washington, D. C. 



Compilation of Forest tables E. A. ZIEGLER; assistant, W. B. BARROWS, both at 

 Washington, D. C. 



OFFICE OF WOOD^PRESKBVATION. 



CARL G. CRAWFORD, Chief. 



TV. F. SHERFESEE, Assistant Chief. 



Alabama 



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

 the State Agricultural Experiment Stations C. L. HILL, Auburn. 



California 



Experiments in seasoning and treating telephone and other poles for electric 

 wires, in cooperation with electric companies in southern California O. T. SWAN, 

 Hotel Sequoia, Fresno; assistant, W. H. KEMPFER, 212 South Grand avenue, Los 

 Angeles. 



Connecticut 



Experiments to ascertain the effects of live steam and vacuum on the moisture 

 content and absorptive qualities of different kinds of wood C. STOWELL SMITH, 

 Yale Forest School, New Haven. 



Louisiana 



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

 the State Agricultural Experiment Stations H. B. EASTMAN, Calhoun. 



Pennsylvania 



Experiments in treating mine timbers, in cooperation with the Philadelphia and 

 Reading Coal and Iron Company JOHN M. NELSON, Jr., Washington, D. C. 



General Studies 



Correlation of data on the preservative treatment of American and foreign woods 

 M. C. JENSEN, Washington, D. C. 



Preparation of report on the laying of the test track, in cooperation with the 

 Chicago and Northwestern Railway Company H. A. PAUL, Washington, D. C. 



