Specification for fiber conduit, and for galvanized steel strand; railroad specifications for electric light, power supply and trolley lines crossing railways; specifications for communication lines crossing tracks of railroads; rules covering clearances of communication wires or cables over gasoline storage tanks.
Report of committee IX -- Overhead and underground lines
Assn Am Railroads -- Advance Reports (Signal Sec)
1943
Report
Englisch
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Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1930
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1944
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1937
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1936
Overhead and underground lines
Engineering Index Backfile | 1929