Track methods and devices developed by Denver Tramway Corp., to save time and labor; anti-kick spring eliminates split switches; butt-weld guard-rail joints; spring switch for temporary cross-overs.
Reducing track upkeep
Traction Shop Roadway
Traction Shop and Roadway ; 1 , n 6
1928
3 pages
7 Figs.
Aufsatz (Zeitschrift)
Englisch
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How station track upkeep cost was cut
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|How station track upkeep cost was cut
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