The railroad spiral.
Subtitle: The theory of the compound transition curve reduced to practical formulae and rules for application in the field work...
By: By William H. Searles ..
Edition: 6th ed., rev. and enl. 13th thousand
Publisher: J. Wiley & Sons, [etd., etc.]
Published: 1913
Place of publication: New York
Language: eng
Number of pages: 127
Subjects: Railroads -- Curves and turnouts