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| Picture No | 10215844 |
| Date | 1874 |
| Description | Preserving life in mines, the aerophore apparatus 1874 |
| Details |
Preserving life in mines, the aerophore apparatus. Invented by Mr B. Rouquayrol and Mr . Denayrouze, the Aerophone, which supplied compressed air through a hose, and was carried in a cylinder on the back.
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| Source | The Graphic. 28 February 1874 |
| Credit | © Illustrated London News Ltd/Mary Evans |
| Restrictions |
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