314 



THE TREADLE LEVER. 



Fig. 108. 



dasher, is raised. The mode of operation is so plainly 

 seen in the cut as to need no explanation. 



Among the more ingenious contrivances used for 

 churning in Holland belongs the churn invented by 

 Fiirst. The body is somewhat similar to the barrel- 

 churn, but is smaller ; and it is of uniform diameter 

 throughout, as in Fig. 104. It is covered with a 

 wooden lid, furnished with a convenient handle, and 

 stands on a low platform, to which it is fixed, when in 

 use, by means of a screw, k. The motion is com- 

 municated to the dasher by means of a wheel, or wind- 

 lass, and an endless cord. 



In the interior of the cylinder is placed a kind of 



