316 



THE DOG-POWER CHURN. 



fashioned churn, and even than Fiirst's, because the 

 motion of the body required is simple and less exact- 

 ing. And again, the churn takes up less room, and is 



Fig. 106. 



easily transported, which is an important consideration 

 in churning, on account of the influence of the tempe- 



Fig. 107. 



