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Title: Safety lamp, Ashworth-Hepplewhite-Gray, Gray type, use: gas [Go to resource]
Description: Safety lamp, Ashworth-Hepplewhite-Gray, Gray type, use: gas testing, maker: J. Davis and Son, Derby, marking: makers name, 1901 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: miner's safety lamp Temporal: 1901 Source: Science Museum Creator: John Davis & Son Identifier: 1901-141 Go to resource More Like this...
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