National Geographic : 1923 Sep
What the three U.S.Rubber discoveries bring to Royal Cord Leadership SGREATER confidence than any tire has shared since the beginning of the automobile. An increasing money's worth as promised by the Royal Cord policy of doing business. A more definite way of com paring tire values than the public has ever had before. The three new U. S. Rubber discoveries as fully described in recent newspaper and magazine announcements are: Flat Band Process- ensuring the positive length, angle and strength of each cord. Web Cord-the first successful meth od of impregnating cords with pure rubber by direct soaking in the latex itself. Sprayed Rubber- the first abso lutely pure rubber. United States Tires are Good Tires U.S. Royal Cord Tires United States Rubber Company © 1923 U. S. Rubber Co.