John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 532
more centers, a system which permits the construction and subsequent decoration of complex solids composed of projecting portions left attached to the central or main form. The first example, indicated by the outer curvatures of the section fig. 517, is contained by two arcs the centers of which… … this the spherical and rectilinear chucks and the segment stop received analogous adjustments, but as in tracing this curve a revolving cutter would strike against the bead b, e, that tool would be replaced by the drill. Tbe work receives its quarter rotation by the mandrel turned towards the…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
