A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
L.H. and St. L. Semaphore Signals
Efficient construction organization included concrete train for pouring foundations and central warehouse for the wiring of cases; this is first signaling installed on Louisville, Henderson and St. Louis road and includes a.c. floating system for operation and primary for track; parkway used for underground runs.
L.H. and St. L. Semaphore Signals
Efficient construction organization included concrete train for pouring foundations and central warehouse for the wiring of cases; this is first signaling installed on Louisville, Henderson and St. Louis road and includes a.c. floating system for operation and primary for track; parkway used for underground runs.
L.H. and St. L. Semaphore Signals
Ry. Signaling
Railway Signaling ; 22
1929
3 pages
9 Figs.
Article (Journal)
English
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