ROL TUMBLE KNCINKLK . .; j 



through a small pipe which leads downward from the 

 per part of the r< !ie botto; 



ght-fccd glass. The oil is therefore forced out by 

 the entrance of water .v -or is obtained from 



the condensation of steam in the pipe connections or loop 



is been 



y years been, in general, found 



tory but in the past few years it has % 

 to oil pumps and now nearly every well equipped trac- 

 tion engine is equipped with some sort of pump. There 

 arc dozens of these on the market nearly all of which 



:on under proper conditions. Some are a tnflt 

 !er than others and perhaps are a little less 1 

 to get out of order. Those, however, tliat have been 



:et for three or four years have been 

 ned and impr* I are now entirely suitable 



for the work tl 1 nected of them. On the whole, 



an oil pump is superior to a lubricator for traction engine 

 cylir t of the positiveness of the feed 



and its ability to handle oil under all sorts of weather 

 com' are taking the lead for 



at ing pumps in all kinds of machinery, either 

 tionary or portable. 



OILING cr 



Tl % of traction engines, especially those 



arc required to do heavy road work or plowing, should 



