6 



Indiana 



Tests of structural timbers and a number of species of hickory, in cooj -oration 

 with Purdue University W. K. HATT, Lafayette; assistants, J. A. NEWLIN and 



J. O. BlXBY. 



Washing-ton 



Tests of western hemlock and National Forest woods, in cooperation with the 

 University of Washington ; also selection of Douglas fir stringers for treated- 

 timber tests O. 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. MC!VENZIE. 



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



Properties and utilization of Douglas fir J. B. KNAPP, 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, Washing- 

 ton, D. C. 



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

 SUTERMEISTER, 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, Washington, D. C. 



Study of the uses of western hardwoods H. S. SACKETT, Washington, D. C. 



OFFICE OF WOOD PRESERVATION. 

 CARL G. CRAWFORD, Chief. 



PROJECTS. 



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 W. R. 

 WHEATON, Hotel Westmore, Los Angeles ; assistants, O. T. SWAN, Hotel Sequoia, 

 Fresno, and W. H. KEMPFER, 212 South Grand avenue, Los Angeles. 



Connecticut 



Experiments to ascertain the effects of live steam and vacuum as ordinarily 

 used at commercial treating plants 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., care Philadelphia 

 and- Reading Coal and Iron Company, Pottsville. 



General Studies 



Correlation of data on the preservative treatment of American and foreign 

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



Preparation of plans for future work H. F. WEISS, Washington, D. C. 



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

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



