Methods used in manufacture of switches, frogs and crossovers. (2500 w.) (88323 A)
Special track work for street railways
Am Mach
1918
Ills.
Aufsatz (Zeitschrift)
Englisch
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The development of special track work on street railways
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Engineering Index Backfile | 1905
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Engineering Index Backfile | 1910
Track special work of the municipal railways of San Francisco
Engineering Index Backfile | 1919
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