A tunneler equipped with a Galibert’s respiratory device is progressing in a mine gallery full of noxious fumes due to explosions. The Galibert’s respiratory device was a sheepskin, initially filled with fresh air, wherein the tunneler breathed in closed circuit by means of two pipes. Exercise of mine warfare of the 3rd Engineer Regiment in Arras (France, 1876). Lithography: Tunneler Arnaud.

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Reference : A0127