you have several similar experiences with the same man, regard him with suspicion. He is not carrying standard goods.
"Now for the vexed question of labels. Under the Pure Food and Drug Act, a manufacturer must set forth certain facts on his label, the percentage of preservatives and coloring matter employed, etc. A certain percentage of preservative is not harmful, and certain coloring materials are not injurious. Authorities differ as to the exact amounts, but I would advise no housewife to purchase highly colored preserves, condiments, relishes, pickles, etc., without studying the label carefully.
"A high-grade ketchup, for instance, carries this label: 'Tomato ketchup, preserved with one-tenth of one per cent. of benzoate of soda.'
"The housewife who buys this gets her money's worth.
"Here is a tricky label:
"'Ketchup
