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Amgueddfa Cymru – Museum Wales
National Coal Board Information Bulletin "Precautions to be taken by members of rescue teams or brigades operating in hot and humid atmospheres." Yellow card cover. Inside, there is one page containing text typed in black ink on white paper. On the inside back cover there are instructions for its circulation. 88.98I/4 (1) - (3) were originally contained within an acidic card folder.
