EOl MBLE EN GIN ELK. 99 



that the operator said would not pull its load over the 







The first pull 1 make after the expert arrived 



lie worst hill he had. When he approached the 



he threw off the governor belt, opened the throttle 



as wide as he could get it, and made a run for the hill. 



The result was, that he lifted the water and choked the 



engine down before he was half way up. He stepped off 



the remark, 'That is the way the thing does." The 



expert then locked the hind wheels of the separator with 



a timber, and without raising the pressure a pound, pulled 



- r the hill. He gave it just throttle enough to pull 



the load, and made no effort to hurry it, and still had 



power to spare. 



A locomotive engineer makes a run for a hill in or- 

 der that the momentum of his train will help carry 

 him over. It is not so with a traction engine and its 

 load ; the momentum that you get won't push very hard. 

 The engineer who doesn't know how to throttle his 

 ic never knows what it will do, and therefore has 

 little confidence in it; while the engineer who has 

 a thorough knowledge of the throttle and uses it, al- 

 has power to spare and has perfect confidence in 

 He knows exactly what he can do and 

 what he cannot do. 



The for you to know is to get onto the 



tricks of the steering wheel. This will come to you na- 



