Quality 
The culture with the highest efficiency test. Jelly type culture most 
strongly recommended by agricultural authorities. Best strains of 
proper organisms effective and proved in constant field and laboratory 
tests. Finest ingredients used. Produced in an approved laboratory 
under personal supervision of a leading technical bacteriologist. 
Sales Appeal 
The culture having all the good advantages. Patented ventilating 
stopper. Most attractive label and packaging. It sells at sight - you 
can see it is good. Sales increasing year after year. Now in the 21st 
year of production in our own laboratory. Nationally known. Dealer 
sales helps and advertising supplied. 
Low Cost 
The culture selling at most reasonable price consistent with high 
quality. Economical to the user - highly profitable to the dealer. 
Write the United States Department of Agriculture or your local 
experiment station regarding NOD-O-GEN. 
We will be glad to place full particulars before any dealer interested 
in joining the host of satisfied NOD-O-GEN distributors. 
ORDER NOW 
Use This 
Post Card 
For Seed Or Inoculation 
Orders 
V 
A PURE CULTURE 
OF 
.NODULE 
BACTERIA 
FOR INOCULATING 
THE SEED OF 
rr 
Alfalfa and 
Sweat Clover 
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ITOPHA 
MTEHTE9 
OCTCS£*i» 
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Made , in ibe Laboratories of 
THE ALBERT DICKINSON 
COMPANY 
CHICAGO, U. S.A. 
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11*' «£ 
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Be sure to specify size and 
variety of inoculation required 
A 
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Cut out along dotted line 
