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Title: Block instrument, rotary non-pegging with line-clear-cancel [Go to resource]
Description: Block instrument, rotary non-pegging with line-clear-cancel button, Midland Railway (and LMS), dated 1899. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: block instrument Temporal: 1899 Source: Science Museum Creator: Midland Railway Identifier: 2001-7066 Go to resource More Like this...
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