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Title: Signalling diagram, hook switches for conductor rail isolati [Go to resource]
Description: Signalling diagram, hook switches for conductor rail isolation, Erith Signalbox, British Railways (Southern Region), June 1951, in glazed frame. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: signalling diagram Temporal: 1951 Source: Science Museum Creator: British Railways (Southern Region) Identifier: 2003-8996 Go to resource More Like this...
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