India rubber world . ST. JOHN NON PUNCTURABlF. AUTOMOBILE the tire illustrated herewith a cushioning, or resilient, ef-fect, is secured by piercing a series of round holes sidewise through therubber, be-tween theplanes of thetread and therim. It maybe describedotherwise ashaving a treadsurface and ar i m surface,each continu-ous, and hav-i n g betweenthem a numberof rubber cush-ions, at equaldistancesapart, the openings between the cushions aflfordingthe resilient tire is referred to as being designed to eliminate alltrouble from punctures, rim cutting, leaky valves, and the
India rubber world . ST. JOHN NON PUNCTURABlF. AUTOMOBILE the tire illustrated herewith a cushioning, or resilient, ef-fect, is secured by piercing a series of round holes sidewise through therubber, be-tween theplanes of thetread and therim. It maybe describedotherwise ashaving a treadsurface and ar i m surface,each continu-ous, and hav-i n g betweenthem a numberof rubber cush-ions, at equaldistancesapart, the openings between the cushions aflfordingthe resilient tire is referred to as being designed to eliminate alltrouble from punctures, rim cutting, leaky valves, and the like,and the necessity of inflating. The tire is made in one piece,and fastened to the wheel by a series of bolts. It is made tofit any ordinary rim. The invention is covered by a UnitedStates patent granted recently to H. N. St. John. [St. JohnRubber Co., No. 116 Broad street. New York.] A NOVELTY IN RUBBER illustration relates to a mat which comprises an elasticbody having pockets therein, and metallic li
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Keywords: ., bo, bookcentury1800, bookdecade1890, bookidindiarubberworld31phil
