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Title: Semaphore signal arm, Great Western Railway, distant, enamel [Go to resource]
Description: Semaphore signal arm, Great Western Railway, distant, enamel. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: semaphore signal arm Source: Science Museum Creator: Great Western Railway Identifier: 2002-7705 Go to resource More Like this...
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