John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 540
cets of their surface lozenges, which were cut with a wide routing drill ground on the end to an angle something less than that of the cutter, fig. 92, with the sharp point ground off square across. The two side facets cut with the work rotating as before upon the center X, and the two others cut… … fig. 165, those vertical, with the work arrested from point to point by the division plate, and those horizontal, by the move- ments given as before to the wheel of the spherical chuck. The work was next adjusted to rotate upon the center X' to recess and stud the margins of the sunken panels on…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.