APPARATUS 33 



may be had in all shapes, styles, and sizes, from the 

 small hand-spray pump to be used with a bucket, and 

 costing a dollar or two, up to the large power 

 machines costing fifty tihies as much. 



There are four general styles of spraying 

 machines upon the market. First, we have the small 

 bucket pumps that serve a useful purpose where 

 only a comparatively small amount of spraying 



Bucket Pump 



is to be done ; then come the knapsack sprayers, one of 

 which is illustrated on page 34, which are especially 

 useful in spraying small vineyards and crops where a 

 horse cannot well be driven ; third, we have what may 

 be called the barrel class of sprayers, being good-sized 

 pumps to be attached to barrels mounted in various 

 ways ; and, finally, there are the large machines work- 

 ing either by engine or horsepower. For the general 

 purposes of the average farmer or fruit-grower the 

 barrel machines are much the most useful. They are 

 also of moderate cost, ranging from $8 to $16. They 



