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Miners safety lamp Cambrian Type No1 made by E Thomas and Williams Ltd of Aberdare used underground in South Wales coal mines Stock Photo - Alamy
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Miners safety lamp Cambrian Type No1 made by E Thomas and Williams Ltd of Aberdare used underground in South Wales coal mines Stock Photo - Alamy
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Vintage coal mining safety lamp by E. Thomas & Williams Ltd, Aberdare, Wales. Serial number 73533 Stock Photo - Alamy
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