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Hailwoods Improved miners safety lamp Type 01 made by Ackroyd and Best of Leeds used underground in South Wales coal mines Stock Photo - Alamy
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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a photo of a brass, glass and gauze miners lamp | Lamp, Oil lamps, Antique lamps
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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
