A man in a mine, using safety apparatus invented by Auguste Denayrouze, finds asphyxiated miners. Wood engraving by J. Nash, 1874.
- Nash, J. (Joseph), -1922.
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An invention by A. Denayrouze, combining a source of air with a safety lamp, enabling a miner to "work with ease in the midst of the most inflammable and deadly gas" (The graphic, loc. cit.)