96 ROUGH-AND-TUMBLE ENGINEERING 



lime to collect where the water enters the boiler, or you 

 may split a heater pipe or knock the top off from a check 

 valve 



Don't leave your engine in cold weather without first 

 draining all pipes. 



Don't disconnect your engine with a leaky throttle. 



Don't allow the steam to vary more than 10 to 15 

 pounds while at work. 



Don't allow anyone to fool with your engine. 



Don't try any foolish experiments on your engine. 



Don't run an old boiler without first having it thor- 

 oughly tested. 



Don't stop when descending a steep grade. 



Don't pull through a stackyard without first closing the 

 damper tight. 



Don't pull onto a strange bridge without first ex- 

 amining it. 



Don't run any risk on a bad bridge. 



A TRACTION ENGINE ON THE ROAD 



You may know all about an engine. You may be able 

 to build one, and yet run a traction in the ditch the first 

 jump. 



It is a fact that some men never can become good oper- 

 ators of a traction engine, and I can't give you the rea- 

 son why any more than you can tell why one man can 

 handle a pair of horses better than another man who has 



