San Francisco : Architect and Engineer, Inc · leaf 216
Looking down the East Bay Crossing shows ties and tracks in place/llustralwiis tmirlisy Calijorni,, Hiihuays and Puhli, Works THE ARCHITECT AND ENGINEER d DAITM09 … Trains will leave westerly end of Bay Bridge over a a viaduct paralleling the truck and off vehicular ramps To assure maximum safety and efficiency, themost complete automatic interlocking and sig-nal system has been designed Replacing the old system of manually oper-ated levers will be a trim…
Architecture · Building
Internet Archive · Public Domain Mark 1.0. Free to use for anything.