Popular science monthly . locafJng PJwi^er ?Ori/J Bvshiry IccAA/uf- m_. Soft ms/ie/- rxf/ Convex Milling Cutters N adaptation of convex millingcutters opens a wide range of eitherconvex or concave cutters for formedwork in the lathe. All that is necessary is a piece of A

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872