AND RURAL ECONOMIST. 



349 



farmer keeps more or less of these animals, no additional ex- 

 pense is required in working these powers. They are calcu- 

 lated to propel any kind of machinery or agricultural imple- 

 ments in common use, such as thrashing machines, cider mills, 

 corn and cob mills, straw and hay cutters, corn shellers, 

 grindstones, winnowing machines, 6cc. ; they are likewise well 

 adapted for machine shops, in working the circular or web 

 saw, turning lathes, or any machinery where power is requir- 

 ed. The alterations and improvements made in this power 

 render it very simple in its construction and easy in its ope- 

 ration, and not liable to get out of order when properly made. 

 They occupy but the small space of nine feet by two, and are 

 easily removed ; they are truly labor-saving machines, and must 

 come into general use with farmers and mechanics. They are 

 likewise well adapted for the use of plantations, being calcu- 

 lated for working saw or roller gins, and other purposes to 

 which they may oe applied ; they are so portable as to be trans- 

 ported at a moderate expense, and may be put in operation by 

 any person of common capacity. 



Bark or Plaster Mills. The Troy bark and plaster mills. 

 These mills are altered and much improved from the old-fash- 

 ioned mill which has been in use for many years. 



Family Hand Mills. Willis' improved patent family or plan- 

 tation mill, calculated for grinding corn, coffee, &c., has a 

 small balance wheel w^hich regulates its operation and causes 

 it to work free and easy. 



Grindstones on Friction Rollers. Grindstones of different sizes 

 hung on friction rollers and moved with a foot treader, are found 

 to be a great improvement on the present mode of hanging 



