IMPLEMENTS 



are good and efficient, or may be presumed to be 

 so, from the fact that they divide the market de- 

 mand, with no distinct essential superiority evident 

 in either. 



Minor circumstances commonly determine one's 

 choice. If any one pattern were positively and 

 essentially superior, it would not take long for the 

 others to drop out of sight so thoroughly have 

 the respective merits and demerits of all such ap- 

 paratus been established by long-continued tests, in 

 widely extended service. Simplicity of action is 

 important, but this condition does not (at least in 

 all cases) exclude belted or geared connections. 

 The best-arranged windmill pumps are "geared 

 back" though probably the majority of those 

 at present in use work the pump-rod by direct 

 attachment to the crank-pin. 



Our own experience, already given, as regards 

 the power to be employed has extended only to 

 wind and steam. But there is yet another means 

 for filling and irrigating tanks or mains. It con- 

 sists in employing the power of one or more horses, 

 working in a horse-power machine, suitably con- 

 structed and solidly geared in combination with 

 a powerful suction and force pump; drafting the 



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