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TIMBER TESTS 



ROLF THELEN, in Charge. 

 PROJECTS 



Correlation of file system and analysis of timber-test data H. E. MCKENZIE and 



J. O. BlXBY. 



Timber-testing laboratory, New Haven, Conn., in cooperation with Yale Univer- 

 sity H. D. TIEMANN in charge; assistant, CORNELIUS BARRY; W. D. BRUSH, 

 microscopist: 



Study of the effect of drying on the strength and other properties of wood; 

 Study of the effect of drying on the absorption of water by wood; 

 Microscopic study of the mechanical failure of wood. 



Timber-testing laboratory, Lafayette, Ind., in cooperation with Purdue Univer- 

 sity W. K. HATT in charge; assistants, J. A. NEWLIN, A. K. ARMSTRONG, A. D. 

 VOLFF, Jr., H. V. BLANK, THOMAS LYONS, and HARRY WEYLS: 



Study of the effect of creosoting on the strength of southern pine, in cooperation 



with the Illinois Central Railway; 

 Study of the physical and mechanical properties of several species of hickory, in 



cooperation with the National Hickory Association; 



Study of the physical and mechanical properties of red oak cross-ties treated by 

 various preservative processes, in cooperation with the American Railway 

 Engineering and Maintenance of Way Association. 



WOOD CHEMISTRY 



H. S. BRISTOL, in Charge. 

 H. E. SURFACE, Assistant. 



PROJECTS 



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

 turpentines L. F. HAWLEY; assistant, F. E. LICHTENTHAELER, both at Madison, 

 Wis. 



Experiments with various woods for paper pulp E. SUTERMEISTER; assistant, 

 J. L. MERRILL, 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. 



