BLUE SEAL FLY SPRAT 



The new Blue Seal Fly Spray'^WN^eally do a fly killing 

 job! It will knock 'em down and put^^^way for keeps! 

 The 14% of D.D.T. works on the knocke^downed flies 

 to finish them off. Blue Seal Fly Spray Is a superior 

 product which has been extensively tested on 



linois 



farms. 



i/mi^f^ 



ILK 



FROM/CY-FREE COWS 



Fly-f^«[^ows don't waste time and 

 rgy fighting flies. They're com- 

 fortable and happy and use the 

 energy thus saved to produce more 

 milk. 



After being sprayed with Blue Seal 

 Fly Spray, cows will remain fly-free 

 oil day ^\i& to its high repellency qualities. Your Blue Seal 

 salesman has other special pest control products, too. 

 Ask him about Blue Seal Fly Killer, 5% D.D.T. Oil Spray, 

 25% D.D.T. Emulsion Concentrate, Aersol Bombs, and 

 50% D.D.T. Wettable Powder. i 



ILLINOIS FARM SUPPLY COMPANY 



608 South Dearborn Street Chicago 5, Illinois 



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