Stock Photo: Three devices for ventilating mines with bellows. In the centre the horse turns the wheel and cams, I,I, work the bellows. At the top, a horse turns a crown wheel which engages with a lantern on the camshaft and the cams engage with tappets to work the bellows. At the bottom, a man works the bellows
Stock Photo: 1746-1927 Three devices for ventilating mines with bellows. In the centre the horse turns the wheel and cams, I,I, work the bellows. At the top, a horse turns a crown wheel which engages with a lantern on the camshaft and the cams engage with tappets to work the bellows. At the bottom, a man works the bellows

1746-1927 | Rights Managed
Credit: World History Archive / World History Archive
Category: Illustrations
009613-p

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Model Release: No
Property Release: No

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11.13 x 18.71" | 53.6MB | 300 dpi

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