120 



MEClIAXieS. 



and others liave made important improvements, including 

 the steel mould-board now largely employed at the West. 

 Cast-iron plows have been generally used throughout 

 the Eastern States ; but for the peculiar soil of the "West, 

 it has been found absolutely necessary to use steel plows 

 exclusively ; and for the purpose of keeping them at all 



Fi-. 1:1. 



MoUne Plow. 



times sharp for cutting the vegetable fibre and separating 

 the parts of the soil readily, the practice is common to 

 carry a large file or rasp for this purpose. These steel 

 plows are made of plate previously rolled. They are be- 

 coming i^artially introduced also at the East, although in 

 hard and gravelly soils the cast-iron mould-board is pre- 

 ferred by many, and 

 regarded as cA^en 

 more durable. The 

 steel plate plow is 

 lighter than the cast- 

 iron, but is more 

 expensive. The ac- 

 companying figure }\vn'inni <( 

 (Fig. 121,) represents the celebrated "Moline plow," made 

 by Deere & Co., of Moline, 111., one of the best and most 

 extensively introduced among the Western steel imple- 

 ments; and Fig. 122 shows an excellent one of Eastern 

 manufacture, made by Woodruff, Allen & Co., of Auburn, 



< n s Stcc' Flow. 



