220 



Popular Science Monthly 



The man below is 

 grinding mower 

 blades with the aid 

 of a gasoline engine. 

 The youth who was 

 formerly obliged to 

 turn the handle of 

 a grinder will wel- 

 come this machine 

 with joy 



House moving a la mode with a traction engine 



To the left, a five-horsepower gasoline 



engine mounted on an ordinary farm 



tractor and used for almost every form 



of farm work 



A battery of sprayers is at 

 work in the picture in the circle, 

 spraying hops in British Colum- 

 bia. The gasoline engine has 

 become invaluable wherever 

 spraying must be done over 

 large areas 



Driving a husker in Indiana with a portable engine 

 is a great aid to the big western com growers. 

 The "hired hand" problem is brought a step 

 nearer solution by it 



