| 11. | This entailed positioning a stationary winding engine on the top of the ridge.
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| 12. | They can be anything from small farm engines to winding engines and mill engines.
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| 13. | The winding engines were some of the most powerful in the South Wales coalfield.
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| 14. | By 1862 they were making colliery winding engines.
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| 15. | A winding engine for the latter exists in working order at Middleton Top near Wirksworth.
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| 16. | The colliery had two horizontal winding engines.
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| 17. | The Low Level engine shaft was no longer needed, and the winding engine was removed.
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| 18. | Its winding engine was a product of the Haigh Foundry and it had a steel lattice headframe.
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| 19. | Electricity could then be used for pumps and winding engines as well as for powering a locomotive.
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| 20. | However a fire destroyed the timberwork of the winding engine and part of the headframe in 1984.
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