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Treuil pneumatique
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The use of the compressed air often appeared as more practical than that of the electricity for the command of machines in the underground works.
Particularly, this source of energy was well adapted to the equipments intended to frequently change of place, as this winch used for scraping the ore outside of the exploitation chambers, constructed by the Genelard’s «Fournier et Mouillon» society in the 50s.
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