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1by Searles, William H. (William Henry), 1837-1921Subjects “...Railroads Curves and turnouts....”
Published 1904
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2by Porter, Stephen Ralph McEwen, 1906-1934Subjects “...Railroads Curves and turnouts....”
Published 1935
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3by Taylor, J .B. C. (James B. C.)Subjects “...Railroads Curves and turnouts....”
Published 1980
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4by Taylor, J .B. C. (James B. C.)Subjects “...Railroads Curves and turnouts....”
Published 1980
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