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Title: Safety lamp, Smethurst no [Go to resource]
Description: Safety lamp, Smethurst no.57, Mueseler type, from the Ellis Lever Competition, and the Royal Commission on Accidents in Mines, 1879-86, c.1883 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1886-233/201 Go to resource More Like this...
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