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Title: Davy Safety lamp, with Simons Self-extinguishing device, about 1852 [Go to resource]
Description: Safety lamp, Davy, E. Simons self extinguishing device, marking: Simon's patent, Birmingham, c.1852 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1871-27 Go to resource More Like this...
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