Recommended specifications covering: lead-covered cable, armored submarine cable, double-braided, weatherproof thirty per cent conductivity copper-covered steel line wire. (see also Am. Ry. Assn. -- Proc., vol. 28, no. 1, Aug. 1930, pp. 6-40)
Committee IX -- Overhead and underground lines
Am. Ry. Assn. -- Signal Section Proc
1930
9 pages
Aufsatz (Zeitschrift)
Englisch
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Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1936
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1944
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1937
Overhead and underground lines
Engineering Index Backfile | 1929
Report of committee IX -- Overhead and underground lines
Engineering Index Backfile | 1943