PARTY 



FARM MACHINERY REPAIR AND 

 ADJUSTMENT 



CHAPTER XXV 

 FARM MACHINERY AS AN ECONOMIC FACTOR 



232. Farm Machinery and National Progress. It is 

 not the purpose of this section to furnish information on each 

 type of machine used on the farm, but to present a few gen- 

 eral statements, followed by outlined studies of a few ma- 

 chines and their uses, and a few definite problems of repair 

 and adjustment. For a more complete discussion, the reader 

 is referred to the list of books and bulletins given below. 



Farm Machinery and Farm Motors. By Davidson and Chase. Orange 

 Judd Co. 



Agricultural Engineering. By Davidson. Webb Publishing Co. 



Equipment for the Farm and Farmstead. By Ramsower. Ginn & Co. 



Farm Machinery. By Wirt. John Wiley & Sons. 



Bulletins from the U. S. Department of Agriculture and State Agri- 

 cultural Experiment Stations. 



The greatest growth in agricultural development is marked 

 by the use of modern machinery. We find the plow substi- 

 tuted for the crooked stick; the binder, reaper and mower sub- 

 stituted for the cradle and scythe; the threshing machine sub- 

 stituted for the flail, and steam and gas power for man and 

 horse power. Every country that is backward in the use of 

 these modern farm machines, is backward also hi every 

 other phase of its development. The most striking difference 



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