188 FARM MECHANICS 



does. Leather caps are a nuisance. They are a sort 

 of patchwork to finish the job that the manufacturer 

 commences. A man who is provident enough to sup- 

 ply himself with good working tools and is Sufficiently 



G.G.8. 



Figure 166. Sand Caps. Not one manufacturer in a hundred 

 knows how to keep sand out of an axle bearing. Still it is one of the 

 simplest tricks in mechanics. The only protection an axle needs is 

 long ferrules that reach out three or four inches beyond the hub at 

 both ends. Old-fashioned Linchpin farm wagons were built on this 

 principle. The hubs held narrow rings instead of skeins, but they 

 wore for years. 



careful to take care of them, usually is particular about 

 the appearance as well as the usefulness of his tools, 

 machinery and implements. 



BOBSLEIGHS 



On Northern farms bobsleighs are as important in 

 the winter time as a farm wagon in summer. There are 

 different ways of putting bobsleighs together accord- 

 ing to the use required of them. When using heavy 

 bobsleighs for road work, farmers favor the bolster 

 reach to connect the front and rear sleighs. With this 

 attachment the horses may be turned around against 

 the rear sled. The front bolster fits into a recessed 



