FARM MACHINERY AND IMPLEMENTS 175 



necessary for him to understand the details of it. Threshermen would 

 not be satisfied with the brief description that space will permit in this 

 chapter. They can secure ample information from the threshermen's 

 books published by threshing machine manufacturing companies. 



The clover huller is a modified threshing machine and is generally 

 owned and operated for a community by the owners of a general thresher 

 or corn-sheller outfit. 



Small threshing machines are manufactured for individual farmers, 

 and may prove economical for farmers in the eastern section of the 



AN UP-TO-DATE THRESHING MACHINE. 1 



United States, where it is the custom to store the sheaf gram in large 

 barns and thresh it in the winter time. The essential points in operating 

 the thresher are the speed of the cylinder, which should be uniform, the 

 setting of the concaves, and the number of teeth in it so as to remove 

 all grain from the heads, the speed of the fan, and the selection and 

 adjustment of the sieves, so as to clean the grain without blowing any 

 into the straw. Rapid and satisfactory work necessitates ample power. 

 The power may consist of steam, gasoline or electric motors, and should 

 be adapted to as many other uses as possible. 



1 Courtesy of The International Harvester Company, Chicago, 111. 



