Spirals for street railway curves and easement curves for street railway branch-offs
Subtitle: complete formulas and tables
By: the Pennsylvania Steel Company.
Publisher: The Company
Published: 1906
Place of publication: Steelton, Pa
Language: eng
Number of pages: 96
Subjects: Railroads -- Curves and turnouts -- Catalogs.; Street-railroads -- Equipment and supplies -- Catalogs.; Street-railroads -- Design and construction.