Progress in Mechanical Loading

EARLY experiments with mechanical loaders in metal mines were confined largely to machines of the shovelling type and generally air-operated. Although the first application of the scraper to metal mines dates back to 1910, it was not until about twelve years ago that it came to be used extensively.
Keywords: Coal, coal mines, iron ore, scraper, Hoists, Loading, Mechanical, Mine, Mines, Ore, Ores
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