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Title: Principles of Locating Electrical Signalling Failures A.C. Track Circuits [Go to resource]
Description: Lecture notes for a filmstrip in 68 frames, monochrome, made by British Transport Films in association with the Signal Engineering Department of British Railways entitled 'Principles of Locating Electrical Signalling Failures A.C. Track Circuits', 1960. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: notes Temporal: 1960 Source: Science Museum Creator: British Transport Films Identifier: 2002-7083 Go to resource More Like this...
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