reused in former models. By experiment we found thatthere was a certain amount of spring in the old rings,which was objectionable. Slight as it was, thisspring aggravated the tendency to uneven wear.Moreover, this repeated distortion tended to loosen therivets. Wc have completely overcome this… … *^4^^M|i^
Ransome Concrete Machinery Co. -- Catalogs. Concrete construction -- Equipment and supplies
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