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Scientific American, Vol. 15, No. 21 (1866) (1866)

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An illustration from Scientific American, Vol. 15, No. 21 (1866), 1866, leaf 0
ring, C. At D is a movable framed platform, of barrels, and stimulated and directed invention to| by means of aclutch, the handle shown at I. pivoted to one side of the frame, and raised by the improvement of machinery for rapidly turning Fig. 2 shows the stave-jointing machine. The | means of the… … they are fed on the chains. THOMPSON’S BARREL MACHINERY, tended to form the barrel As they come under the head, Directly over this operation of the saws, F, and the chamfer cut-|top of the frame is concave, corresponding with the |secured loosely to the gear is a circular clamp ters, G, with the…

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