ler 

 ry. 



S*t>uart Derwent, Durand. 

 Ill and prize herd. See 

 b- w. riRht. for details. 



A. £. Howard, Dundee, Kane county, holding 4 yeas old Pe&rl 

 De Kol Beets Fayne, wiio produced 15,783 lbs. of milk m a 

 2 year old. He says, "Blue Seal keeps flies off better tkaa 

 anv I've ever used." 



George Helms. Belleville. St. Clair countv. spravs h:s prize 

 Jerseys w;tii Blue Seal He ^,^v^. -Tve been li jj! ; Blu ■ Seai 

 several years. It's the best. It does the work perfectly. " 



RYMEN USE BLUE SEAL 

 Y TO BANISH FLIES 



g herds arr 

 aul8landin|; 

 banish flieit. 

 i!<anii<« more 

 It tloean"! 

 hair. Blue 

 pa!ianl iiiior. 



is in<*reattt>d 

 inttis Dairy- 

 leiii to meet 

 rolling flies, 

 ps hold up 

 id fly lime. 

 Iking more 

 This is im- 

 ue seal aidf 

 lintaining a 

 il heeause il 

 ; from fliea. 



iStue Seal is improved. In formu- 

 lating the 1936 Blue Seal, these 

 fundamental qualities have iteen in- 

 corporated : 



1. Maximum repellency 



2. Greater Killing strength 



3. Economy 



4. Simplicity 

 .■>. Safety 



6. Non-contamination 



Lse Blue Seal lo keep your lieril ronleiiled. 

 I se Blue Seal lo make your herd profilahle 

 (luring the hot summer months. Spray twice 

 daily with safe «lependalile Blue Seal Fly Spray. 

 Flies hate it and won't stay when you spray 

 with Blue Seal. Buy Blue Seal Fly Spray from 

 >our County Service Company on our money- 

 itaving plan. See your trucksaiesman who drives 

 itie 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. Blue 

 Seal controls 'grubs' too." 



BLUE SEAL 

 I FLY SPRAY 



V't''A, 



WA 



608 SO. DEARBORN ST. • CHICAGO 



