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Ends of the Rails Here it can be clearly seen that there are new bolt holes (as well as nopo traces of the original, worn holes) and that the rail heads have symmetrical profiles. Several patents by George, Sr. dealt with extremely worn rails by transforming their profiles into aysymmetrical shapes; see U.S. Patents No. 1,212,365, 1,212,366 and 1,212,964.
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