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Scientific American, Vol. 46, No. 22 (1882) (1882)
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municating with each other, having a fire box at each at each end, and through the- flange next to the cylinder © passes through the furnace, the buckets lifting the ore and end and suitable dust chambers, and provided with novel are orifices corresponding in number and location with the letting it… … which a fixed cytieiri- NEW QRE ROASTING FURNACE. cylinder, B, is designed cal flue extends a short to be about 2 feet long the furnace,-and exposing it at the same time to the air ad- distance into the cylinder A, to convey therein the products and of about 6 feet external diameter, bolted thyough…Internet Archive · Public domain (published before 1931). Free to use for anything.
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