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Title: Thumbscrew attachment for communication bell, used for commu [Go to resource]
Description: Thumbscrew attachment for communication bell, used for communication between guard and passengers, 1900. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: communication bell Temporal: 1900 Source: Science Museum Identifier: 1999-8288 Go to resource More Like this...
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