Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Pipe protects 2,300-volt cable
At No. 38 mine of Consolidation Coal Co, (Fairmont) W Va, 3-conductor cable, with synthetic rubber sheath, is protected by 3-in. steel pipe that is not buried or covered except where track crosses headings; cable enters mine by 540-ft borehole with 6-in. casing.
Pipe protects 2,300-volt cable
At No. 38 mine of Consolidation Coal Co, (Fairmont) W Va, 3-conductor cable, with synthetic rubber sheath, is protected by 3-in. steel pipe that is not buried or covered except where track crosses headings; cable enters mine by 540-ft borehole with 6-in. casing.
Pipe protects 2,300-volt cable
Coal Age
Coal Age ; 53
1948
2 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Diver support available through 2,300 ft
Online Contents | 1993
220,000-volt. Building first 220,000-volt transformers
| Engineering Index Backfile | 1921
| British Library Conference Proceedings | 1996