194 



MECHANICS. 



pass into an inclined cylinder made of strips of wood with 

 grate-like openings. The cylinder has two portions sepa- 

 rated by a partition, in the first of which they remain 

 w^hile the handle is turned for washing them. As soon as 

 the washing is finished, the motion of the handle is re- 

 versed, which throws them into the other part, which has 

 a spiral partition, along which they pass until they drop 

 into a spout outside. 



BOOT SLICERS. 



These are mostly worked by hand. Out of a large 

 number of inventions for this purpose, two are here rep- 

 resented ; Wellington's, made of iron, the knives being 



Fi.-. 221. 



Fip:. 220 



Wellingtojis Root Cutter. Boot Cutter of Wood. 



on a revolving cone within the hopper, and shown below 

 the machine ; the other of wood, with the knives on the 

 face of an iron wheel, which forms one side of the hopper. 

 These two machines will cut roots at the rate of about a 

 bushel per minute. 



