The conduit is formed entirely of concrete.
Cable railroads of Oakland, Cal
St Ry Jour
1890
3 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1892
|Engineering Index Backfile | 1939
|Engineering Index Backfile | 1892
|Cable tightening equipment for cable railroads
Engineering Index Backfile | 1938
|