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L o o k . . . N o Cavities! Scarcely any, that is, in the aluminum coupon on the left. Naturally, you've guessed by now that the coupon on the right represents "Brand X". Jefferson JC-20 Ethylene Glycol Antifreeze and another leading brand were subjected to identical corrosion tests, and the results are most obvious. What's the secret . . . Stannous Fluoride? Nope «.. it's the excellent corrosion inhibitors in JC-20 antifreeze, which is now being marketed nationwide under
HOUSTON •
NEW YORK • CLEVELAND
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Rapid growth and diversification make Jefferson one of the three largest ethylene glycol producers, and most of this production goes into non-evaporating antifreeze. For information, please write Jefferson Chemical Company, Inc., 1121 Walker Avenue, P. O. Box 303, Houston 1, Texas.
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CHICAGO CHARLOTTE •
the Private Labels of Jefferson's good customers. And we're proud to back them up with superior quality and ample supply.
LOS ANGELES
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