102 GENERAL ADVICE 



or a stone -boat is best. Common types of barrel 

 pumps are shown in Fig. 103. There are many 

 patterns of spraying machines, and the intending 



100. Barrow outfit. 



purchaser should send for catalogues to the various 

 manufacturers. The addresses may be found in 

 the advertising pages of rural papers. 



As to nozzles for spraying, it may be said that 

 there is no one pattern which is best for all pur- 

 poses. For work at short range, some of the 

 nozzles of the Cyclone type, as shown in Fig. 104, 

 are to be recommended; but for longer range and 

 for high trees, and especially for barrel pumps, a 

 nozzle which throws more liquid is desirable. One 

 of the best of these is shown in Fig. 105, but 

 nearly every manufacturer of pumps has some 



