41 



ment fairly thorough. However, unless absolutely necessary 

 it is not advisable to spray against the wind, as much spraying 

 mixture is wasted by so doing and the work is made disagreea- 

 ble inasomuch as it is impossible to prevent the material from 

 blowing back upon the person who directs the nozzle." 



ACKNOWLEDGMENT 



The author wishes to cxpress his appeciation to Wm. T. 

 Horne of this Station for his generous direction and assistance, 

 throughout the preparation and publisliing of this circular. 



Cut nmber 1 is taken from th.> Journal of Agriculture, New 

 South Wales; number 3 from Comstock's Manual and number 

 6 from Spraying for Profit by Weed. 



To the following manufacturers of spraying apparatus the 

 author wishes to expicss his thanks for the loan of ilustrations. 



Dayton Supply Co, Dayton, O., U. S. A., Pigs. 7 and 19. 



Gould's Manufacturing Co., Séneca Falls, N. Y., U. S. A., 



Figs. 11 and 12. 



The Spramotor Co., London, ont., (añada., Figs. 10, 15, 20, 



21 , 22 and 23. 



F. E. Myers & Uro., Asliland, O.. U. S. A., Figs. 16 and 18. 

 The Deming Co., Salem. O., U. S. A., Fi-s. 8, 9, 13, and 14. 

 The Field Forcé Pump Co., Elmira, N. Y., ü. S. A., Figs. 17. 



a- 



