English version

safety lamp

From Longman Dictionary of Contemporary English
Related topics: Industry
safety lampˈsafety lamp noun [countable]  TIa special lamp used by miners, with a flame which will not make underground gases explode
Examples from the Corpus
safety lampHe used Stephenson's double gauze safety lamp up until the 1940s, and quoted to me the number of permitted gauze apertures.Wood assisted Stephenson in the development of his safety lamp, which was first tested in 1815.
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