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Scientific American, Vol. 37, No. 20 (1877) (1877)

leaf 7

An illustration from Scientific American, Vol. 37, No. 20 (1877), 1877, leaf 7
bined pedestal and dressing and obtain prominence amongst operators of band saws. low precipitate. The varying changes in the form ‘of machines, methods of frame. In the annexed engravings we present two other acetate of copper is a red approaching to green. The sul- patterns of mill by the same… … above named manufacturer, have burr stone grinders set in with some drops of chromic acid; they are similar to iodide tion in the tension of the saw, or leaving off some device a vertical position and driven at high speed. They are re- of lead. The yellow matter. is the luteoline; it is presented…

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