THE SEED WORLD 
273 
DOBBINS SUPERBILT SPRAYERS, DUSTERS, PLANTERS 
Bighead 
Knapsack 
2 New Superbilt Quality 
Sprayers. A moderately 
priced Bighead — a high 
pressure knapsack. Utility 
features embodied in design 
that command public ac> 
ceptance. 
WRITE 
FOR 
OUR 
CATALOG 
Bighead opening. New patented self-lubricating 
pressure seal, valve plunger. Quick action 
unit piimp. 
Extremely high continuous pressure Bighead 
with hinge cover, 100 lbs. in 7 strokes. 
Direct connected diaphragm pump. Sell oiling 
ball and socket fulcrum. Center pump. Better 
balance. Hose and handle can be changed 
to either right or left side in a "jiffy" which¬ 
ever is most convenient to the user. Con¬ 
venient clip holds discharge equipment. De¬ 
tachable bottom protects all bearings from dirt. 
ASK US ABOUT OUR COMPLETE PROGRAM .... ELECTROS AND COPY ON REQUEST 
DOBBINS MANUFACTURING COMPANY 
NORTH SAINT PAUL MINNESOTA 
Fine Nicotine Swlphate and 
Free Nicotine Preparations 
A Material For Every Purpose: 
NICOTINIJM 
FOR ORCHARD OR POULTRY 
NIKOTEEN EiqVlD 
FOR THE GREENHOUSE 
RED RING BRAND 
PRODUCED FOR MORE 
THAN FORTY YEARS 
NIKOTEEX POWDER or 
APHIS PENK 
FOR GREENHOUSE FUMIGATION 
S T . 
NICOTINE MFO. CO. 
LOUIS MISSOURI 
Advertisers Index—Page 335 
