John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 431
405 THE SPHERICAL CHUCK. The production of ornamented hemispheres or domes, whence fig. 446, is also called the dome chuck, may first be considered in some detail not only as the primary use of the spherical chuck, but as embodying a great part of the proce- dure followed for the more complex… … Supposing therefore, the spherical chuck screwed on the man- drel and hanging vertically as fixed by the index, and a piece of material previously turned cylindrical to be mounted by an intermediate plain chuck upon its wheel,—which with the plain chuck shaded is represented in section looking…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
