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Scientific American, Vol. 69, No. 19 (1893) (1893)

leaf 5

An illustration from Scientific American, Vol. 69, No. 19 (1893), 1893, leaf 5
rance loss large bowlders, it can be broken down and washed the metal was diffused over a very wide territory, was to a minimum. with a moderate head of water. No bedrock tunnels, very small as compared with stone. This is shown by The cooling is effected by a new forin of water jacket, derricks or… … workings when examined charge valves, when the contained stone hammers air rushes in, the governor bowls for baking, birch bark baskets, and some spear Playa de Oro, has been worked back some 300 yards goes on. In the designing of these compressors and engines or lance heads and other articles of…

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