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Title: marker board [Go to resource]
Description: Marker board, possession entering or leaving portable warning board containing two lamps, yellow, injection moulded structural glass filled polypropylene foam, designed by Denver Brown, British Rail Research and Development Divisions' Plastic Development Unit. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: portable warning board Source: Science Museum Identifier: 2008-8866 Go to resource More Like this...
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