164 



TIMBER TESTS 



ROLF THELEN, in Charge, Madison, Wis. 

 Projects 



Timber-testing laboratory, ROLF THELEN, in charge, Madison, Wis.: 

 Purchase and installation of machinery and equipment; 

 Design of wood-working shop and purchase of equipment; 

 Design of machine shop and purchase of equipment. 



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

 J. O. BIXBY. 



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

 sity W. K. HATT in charge; assistants, J. A. NEWLIN, 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, Madison, Wis. 

 H. E. SURFACE, Assistant, Madison, Wis. 



Projects 



Experiments with various woods for paper pulp E. SUTERMEISTER, at Madison, 

 Wis. 



The refining and grading of wood turpentines and the methods of turpentine 

 analysis L. F. HAWLEY and E. BATEMAN, both at Madison, , Wis. 



WOOD TECHNOLOGY 



H. D. TIEMANN, in Charge, Washington, D. C. 

 Projects 



Devisal of methods and design of apparatus for drying and humidifying wood 

 H. D. TIEMANN. 



Micrological studies of American woods C. D. MELL and W. D. BRUSH. 



Making micro-photographs of wood sections H. D. TIEMANN and C. D. MELL. 



Determination of the effect of different processes of drying upon the properties of 

 wood H. D. TIEMANN. 



