John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 217
f the work every one accompa- nied by the usual gradual increase in the advance of the tool. The tool may be either a round cutter or a right side single angle fig. 92, ground to 45'; both give equally satisfactory results but a very slow rotation of the work is essential to polished continuity in… … Flat domes such as fig. 202, which are as often required, are contained by arcs of larger hemispheres and they may be shaped after the same method. The sliderest stands at an angle as before but the tool receives a correspondingly larger radius, so that while it still touches the center of the…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
