The machine that shifts the stone in the main heading at Ayle Colliery.
Originally used for tunnelling the Hydrox Digger has been adapted for use in a colliery setting.
Негізгі бет The Last Pit. The Hydrox Digger at Ayle Colliery.
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The machine that shifts the stone in the main heading at Ayle Colliery.
Originally used for tunnelling the Hydrox Digger has been adapted for use in a colliery setting.
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