77 



410a. STIRRER-PUMP. 



Bureau of Eniomology, Department of Agria/Iture, Washinr/ton , D. C. 



A double-acting pump inserted in the side-bung of a barrel and having 

 a rocking motion by which a stirrer, on its base in the bari'el, is moved 

 back and forth to keep the poison mixed. 



410b. MODEL STIRRER-PUMP. 



With Under-Spraying Devices. 



Bureau of Entomology, Department of Agriculture, Washington, D. C. 



Illustrating its use in j)oisoning the under.sid(' of leaves. Pump, the 

 same as 41 Oa. 



411. W. H. DOUGLAS' PUMP 



Nathan Manufacturing Company, Liberty Street, N. Y. 



412. BUCKEYE. 



3fast, Foos &■ Co., Springfield, Ohio. 



The single-acting barrel-pumps come under the following numbers. 

 The first three are durable, ead, cistern force-pumps, available for spraying 

 from barrels or tanks. They discharge from near the top of the cylin- 

 der. 



413. UNIVERSAL No. 0. 



W. S. Blunt, New York, N Y. 



414. PENDULUM PUMP. 



TF. d- J). Dougla-<, Middhtown, Conn. 



415. COMMON CISTERN FORCE PUMP. 



W. <£• B. Douglas, MIddletown, Conn. 



Rumsey & Co., Seneca Falls, N. Y. 



The remaining Nos. represent single-acting, sheet-metal, Texas i)umps, 

 used for spraying the cotton crop. They discharge from the base of the 

 cylinder. 



416. SCHIER'S TIN PUMP. 



John Schier, Ellinger, Terns. 



Inserted in a large can and beai-s (1) his retiirn-dri|) device for savino- 

 the poison :tnd (2) his broadcast spray-nozzle. 



