Specifications comprising insulated signal wire and parkway cable. (Daily Edition) (See also Am. Ry. Assn. -- Signal Sec. Proc., vol. 26, no. 3, Feb. 1929, pp. 589-622)
Overhead and underground lines
Ry. Age
Railway Age ; 86 , n 9A
1929
Aufsatz (Zeitschrift)
Englisch
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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
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1934
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1941