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Scientific American, Vol. 21, No. 4 (1869) (1869)

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An illustration from Scientific American, Vol. 21, No. 4 (1869), 1869, leaf 0
ct that those imperfectly of a brewery, malt house, or barn. A connection is estab- our presence the numerous uses and purposes to which the crystallized forms of the diamond, called by some carbon dia- lished between the slats of the blinds placed on opposite sides diamond is and may be applied.… … to point, edge, or face tools for drilling, ream- mits of a convenient and accurate adjust- MEAD’S AUTOMATIC VENTILATOR. ing, sawing, planing, turning, shaping, carv- ment at will. ing, engraving, and dressing flint, grind, Arkansas, and other moods, used for pointing drills, etc., are worth from…

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