76 JOUKNAL OF THE EOYAL HORTICULTUKAL SOCIETY. 



Horse-power sprayers are coming more largely into use among fruit 

 growers now than formerly. One of the best recent devices of this class is 

 fitted with a very | large air-chamber and has a hand pump near the driver 



in addition to the horse-power pump. In passing from one tree to 

 another enough pressure is obtained from the horse-power pump to run 

 the spray for several minutes. If a large tree is to be sprayed, however, 



