The rails are to be laid to exact gauge, according to a steel standard gauge whioh shall be provided by the contractor for the ... They have the section shown in the accompanying diagram (Fig. 6), and the following dimensions : Depth, 6$ in.; ... the electrio oircuit, the overhead wires forming the outgoing portion of the circuit and the tramway rails the return portion. ... Section of Girder Bail usin on Springbi-rn Tramway. mechanically held together by means of the fish-plates, but these doanbsp;...