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A visual history of the miners' safety lamp – Museum Crush
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A visual history of the miners' safety lamp – Museum Crush
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Miners safety lamp Cambrian Type No4 made by E Thomas and Williams Ltd of Aberdare used underground in South Wales coal mines Stock Photo - Alamy
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Humphry Davy's miners' safety lamp | Royal Institution
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A visual history of the miners' safety lamp – Museum Crush
Davy miners' lamp - Stock Image - C016/3660 - Science Photo Library
