132 



Design and construction of apparatus for the prevention of sap stain and for a 

 wood-preserving plant, in cooperation with the Great Southern Lumber Com- 

 pany C. T. BAENUM, Madison, Wis. 



Construction and experimental operation of a low-pressure wood-preserving plant, 

 in cooperation with the War Department, Picatinny Arsenal F. M. BOND, Dover, 

 N. J. 



Investigations of coal, petroleum, and wood-tar creosotes and their derivatives as 

 possible wood preservatives C. P. WINSLOW, Madison, Wis. 



Investigations of wood substitutes E. W. PETERS, Madison, Wis. 



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. BlXBY. 



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 



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

 turpentines L. F. HAWLEY, 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, at Washington, D. C. 



