History Of Mining Drills
History of the Jackleg Drill - Pneumatic Rock Drills …
The jackleg drill is one of the pieces of machinery that allowed miners to increase productivity by an unheard of amount during the industrial revolution. It changed the way that mining operations existed and allowed for much more powerful drills to be brought in and be used by miners in search of precious minerals and other ore which they sought.
Mining - Wikipedia
Mining in Europe has a very long history. Examples include the silver mines of Laurium, which helped support the Greek city state of Athens.Although they had over 20,000 slaves working them, their technology was essentially identical to their Bronze Age predecessors.
Mining | Britannica
Mining: Mining, process of extracting useful minerals from the surface of the Earth, including the seas. A mineral, with a few exceptions, is an inorganic substance occurring in nature that has a definite chemical composition and distinctive physical properties or molecular structure.
History - Kennametal
History The Early Years. Innovation, perseverance and close attention to customer needs have characterized Kennametal since its founding. In 1938, after years of research, metallurgist Philip M. McKenna created a tungsten-titanium carbide alloy for cutting tools that provided a productivity breakthrough in the machining of steel.
Mining - Underground mining | Britannica
Mining - Underground mining: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and underground techniques must be …
Rock Drills | Furukawa Co.,Ltd.
We manufacture and distribute a wide range of products including tunnel drill jumbos which have been used for drilling a number of road and rail tunnels in the mountains, hydraulic breakers used for rock and concrete structure demolition, and crawler drills used to drill rock in civil engineering projects and open pit mining.
Africa Mining Jobs Portals | Careers Recruitment | Mining …
Search for Mining Jobs in Africa | Find New Mining Job Vacancies for Geologist, Engineering, Mine Operations, Exploration Jobs and more all across the continent: in South Africa, Ghana, Nigeria, DRC, Ivory Coast, Sierra Leone, and beyond.