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Title: Signal lever frame board, originally 23 lever, wood, by the [Go to resource]
Description: Signal lever frame board, originally 23 lever, wood, by the Railway Signal Co Ltd. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: signal lever frame board Source: Science Museum Creator: Railway Signal Company Identifier: 2003-7503 Go to resource More Like this...
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