»- *.#^ 



ner 

 :ry. 



Stewart DerwSBt, Dvnuid. 

 111., and prite herd. 8m 

 below, riiiht, for detail*. 



A. £. Howard. Dundee, Kane cooBtT, heldiaf 4 year old Peazi 

 De Kol Beets Fayoe, who prodsaed U,TU Ibi. of milk a* a 

 1 year old. He uy«, "Bine Seal keep* lie* off better ttaa 

 any Ft* ever used.'* 



George Eelnu, BeUerille, St. Clair eonnty, eprayi his . 



Jerseys with Blue Seal. He says, "I't* been using Blue 



several years. It's the best. It doe* the wo rk perfectly.' 



RYMEN USE BLUE SEAL 

 Y TO BANISH FLIES 





g herds are 

 outstanding 



banish flies. 



isands more 



It doesn't 



hair. Blue 



easant odor. 



98 increased 

 inois Dairy- 

 lem to meet 

 rolling flies, 

 ps hold up 

 id fly time. 

 Iking more 

 This is im- 

 ue seal aide 

 intaining a 

 tl because it 

 ; from flies. 



Blue Seal is improved. In formu- 

 lating the 1936 Blue Seal, these 

 fundamental qualities have been in- 

 corporated : 



1. Maximum repellency 



2. Greater Killing strength .■ 



3. Economy 



4. Simplicity 



5. Safety ■''■'•' '"■''■':- :'j''' ' ^■''' .^' ■'■■ ' 



6. Non-contamination 



Use Blue Seal to keep your herd contented. 

 Use Blue Seal to make your herd profitable 

 during the hoi summer months. Spray twice 

 daily with safe dependable Blue Seal Fly Spray. 

 Flies hate it and won't stay when you spray 

 with Blue Seal. Buy Blue Seal Fly Spray from 

 your County Service Company on our money- 

 saving plan. See your trucksalesman who drives 

 the Blue and White tank truck. 



(Above, center) Herd placed 6th in 

 State in Dairy Herd Imp. Assoc. Herd 

 has year average of 419 lbs., butterfat, 

 with the top cow, 668 lbs. Mr. Der- 

 went says, "Blue Seal Fly Spray is 

 the best I've ever used. I spray my 

 herd of 18 cows in 5 minutes. Bine 

 Seal controls 'grubs' too." 



608 SO. DEARBORN ST. • CHICAGO 



