41 



To change the syrin<;e to a spravfr a caii (Ult. ]'.'>, c) willi a larger (i|K'niiii,' i ; ])ut on 

 in iilace of the usual one, and into it i.s screwed t'le \'eriiinril no/./le. The nuzzle 

 proper (fig. 13, n) necessarily has a very small orilic(>, and \n fill the syringe through 

 this ■would require too much time; hence a larger oj)ening is made (fig. 13, o), and 

 into this a ball valve is fitted (fig. 13, h). This latter is so arranged that when the 

 handle of the syringe is drawn up the liquid is drawn in through the opening, and 

 when forced down the ])all valve closes the intake and the liciuid issues from the 

 uf.zzle in the form of a mist-like spray. 



Fig. 12. — Hmul sprayer, cumplett; (Iruui Galloway). 



This syringe, with its attachments, will bo found \ ahuiblc also for 

 whitewashing benches, shading glass, and other purposes. The syringe 

 under consideration was devised for tlie application of fungicides, but 

 it may l)e used for insecticides also and for the application of ^^ale^ 

 to plants; but for the syringing of plants with water, where this is 



Fig. 13.— rart> ot hand sprayer: c, i-ap; ;/. iKizzie; o. upoiiiiiK c.iised by liall 

 valve; /;, ball valve (from Gallowayj, 



practiced on a large scale, still another apparatus has ])een devised in 

 the shape of a tip and nozzle of the form illustrated in figure 14-, The 

 nozzle consists of a casting turned to the desired l(Migth and flattened 

 at the end, as shown. Through the flattened end a narrow slit is 

 mad(^ and it is important that the slit or opening be absolutely true 



