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Ore Refining Chile

The building is a lofty wellventilated one of hardwood frame with galvanizediron walls and roof and consists of five spans running north and south covering a total length of 230 ft Each span is composed of nine bays of 13ft centres making the total width of the building 117 ft The refinery is situated conveniently at a distance of 100 yds from the smelters Through the third span

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