POWER ON THE FARM 71 



more power to do the work in the shortest possible 

 length of time. 



Small gas engines are becoming very important on 

 farms to furnish power for many things that were 

 formerly done by hand. Windmills are often used as 



TRACTION ENGINE AT WORK ON A FARM 



power to drive pumps and other small machinery. 

 By placing the wind wheels on top of high towers, a 

 stronger wind can be used to turn them than if they 

 were placed near the ground. 



Water power. It is very likely that in the future 

 water power will be used to do much of the farm work. 

 By the use of dynamos the power of the falling water 



