194 



The Spraying of Plants. 



Various excellent machines of this type are now manufac- 

 tured by several firms. 



During the past few years, many machines adapted to the 

 spraying of potatoes and other low-growing plants have been 

 manufactured. They are of two kinds : First, those in which 

 the flow of liquid is produced by gravity ; second, those in which 

 the fluid is forced through the outlet orifice with the aid of a 

 pump. Some of the machines belonging to the first class break 



FIG. 15. The first successful spraying outfit using steam power. 



up the liquid by means of revolving brushes, 1 or by a blast 

 of air, 2 " but the majority are modifications of common street 

 sprinklers. 



The second class includes both hand pumps and power 

 machines, and as a rule these are the most satisfactory. Less 

 trouble is experienced from clogging, and more uniform appli- 

 cations may be made. One of the first machines of this charac- 

 ter was the " Climax," this having been sold in 1890. It was 

 manufactured by Thomas Peppier, Hightstown, N.J., and is 



i J. E. Steitz, Cudahy, Wis. 2 Seth K. Samms, Byberry, Philadelphia, Penn. 



