Stock Photo: Ventilating a mine. Hollow drum with air holes, B, at opposite sides, mounted on an axle, C, to which are fixed fans rotating inside the drum. Axle turned by water wheel through a spur gear and lantern.

Ventilating a mine.  Hollow drum with air holes, B, at opposite sides, mounted on an axle, C, to which are fixed fans rotating inside the drum. Axle turned by water wheel through a spur gear and lantern. : Stock Photo

1746-1911 | Rights Managed
Credit: World History Archive / World History Archive
Category: Illustrations
009597-p

Release Details

Model Release: No
Property Release: No

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