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Amgueddfa Cymru – Museum Wales
Full Title - 'Mines and Quarries Form No. 11. Coal Mines Act, 1911. General Regulations as to the Installation and use of Electricity with Explanatory Memorandum.' Two 28-page booklets on off-white paper, held together with string, with black printed text. Loose inside a black leather hardback cover (with other coal mining regulations, bills etc) with the 'British Thomson-Houston Company / Electrical Engineering Manufacturers / Rugby' printed on it. Part I - 'the General Regulations as to the Installlation and use of Electricity', Part 2: 'Memorandum of the Regulations'
