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mining equipment in the 1800s

Dec 10 2010 · Deep mining on the Comstock in the 1860s and 1870s introduced new hoisting technologies such as large steam engines and highspeed cages A system of air passages connected to the outside ventilated some mines and others used hand bellows or enginepowered fans Early mines drained underground workings with tunnels or bucket bailers...We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone crusher and other sandstone equipment;Ball mill, flotation machine, concentrator and other beneficiation equipment; Powder Grinding Plant, rotary dryer, briquette machine, mining, metallurgy and other related equipment. which can crush all kinds of metal and non-metallic ore, also can be dry grinding and wet grinding.If you are interested in our products or want to visit the nearby production site, you can click the button below to consult us.Welcome to our factory to test machine for free!

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