IRRIGATION AND DRAINAGE INVESTIGATIONS. 37 



FARM MACHINERY. 



During the" season of lOOf) the work of the Office on farm machin- 

 ery was considerably enhirged, and Mr. C. J. Zintheo, formerl}', of the 

 Iowa State College, was appointed to take charge of this work, under 

 the direction of Doctor Mead. A bulletin on corn-harvesting ma- 

 chinery is being prepared, and also one on the use of cement in farm 



structures. 



PUBLICATIONS. 



Since June 30, 1904, there have been printed five bulletins and one 

 document, the manuscript for which was prepared during the pre- 

 vious year. AVith one exception the reports prepared since that 

 time are included in the Annual Report of the Irrigation and Drain- 

 age Investigations for 190-!-," which was prepared for the printer, but 

 not published before the close of the fiscal year. 



U. S. Dept. Agr., Office of Experiment Statious Bui. 158. 



