60 STATE BOARD OF AGRICULTURE. 



order for class work, he has been called upon to assist in many other 

 ways. 



I am also indebted to Mr. Wilson Duncan, Mr. D. P. Flower, Mr. R. 

 G. Bigelow and Mr. H. J. Gallagher, who assisted in the instructional 

 work in the short courses. 



EXTENSION. 



The work of the extension representative, Mr. O. E. Eobey has been 

 confined largely to the project of water supply and sewage disposal. 



I attended two one-week schools and five institutes where the gas en- 

 gine and tractor, concrete construction, farm buildings, and water sup- 

 ply and sewage disposal were discussed. We have had calls for assist- 

 ance in farm drainage. I would recommend that this subject be given 

 more attention throughout the State. Many blue print, floor and fram- 

 ing plans of farm buildings have been sent out to meet individual needs. 



INVESTIGATION. 



Some investigational work has been done this year. Three experi- 

 mental septic tanks which are giving us valuable information have been 

 constructed near the College. Some experimental work has been done on 

 securing a low cost automatic siphon for the septic tank. A study has 

 been made of marl handling machinery, interest in this being stimulated 

 by the increased use of marl and the desirability of securing excavating 

 machinery which can be operated economically by a small group of farm- 

 ers. The farm tractor has been much discussed in the last year and ef- 

 forts are being made to secure records and cost data on machines now in 

 use. Experiments have also been made with windmill electric lighting, 

 which promise interesting results. 



INSTRUCTIONAL. 



Following is a summary of the total number of students receiving in- 

 struction in the various subjects: Woodwork, 420; Forge Work, 414; 

 Power Machinery, 77; Farm Machineiy, 47; Farm Structure, G8; Farm 

 Conveniences, 2.3. In addition Avere the short courses with 87 in Farm 

 Engineering, 50 in Building Designing, 39 in Creamery Mechanics, and 

 24 in the class in Gas Engines and Sjjrayiiig Machinery for horticultural 

 students. A course in Farm Conveniences was given for the first time. 

 While meager laboratory equipment was provided for this course it was 

 found practical and i^romises much as it can be developed. 



Respectfully submitted, 



H. H. MUSSELMAN, 

 Associate Professor of Farm Mechanics. 

 "East Lansing, Mich., June 30, 1916. 



