er end of the vertical spindle. tool, so that as the tool revolves the disk is also made to For many of the points given above we are indebted to The workman dashes emery and water or rouge and water over the form; and the upper tool, in addition to receiving Mr. Chas. F. Usner, a practical… … ders run. The stuffing boxes lens the other is proceeded for the journals are packed with in precisely the same H. W. BUTTERWORTH & SONS' DRYING MACHINE. way. The treatment is the from the front by an arrange same for both convex and concave lenses an oscillatory movement, is slowly rotated by the…
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