Recommended specifications cover aerial braided cable, lead-covered cable, and armored marine cable.
Overhead and underground lines
Am. Ry. Assn. -- Signal Sec. Proc
1929
16 pages
Aufsatz (Zeitschrift)
Englisch
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Overhead and underground lines
Engineering Index Backfile | 1930
Overhead and underground lines
Engineering Index Backfile | 1929
Overhead contact lines at underground floodgates
British Library Online Contents | 1997
|Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1944
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1937