John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 664
worm- wheel of the circular movement, and its top plate is continued upwards as a socket to receive the fourth or tool slide, the upper part of which is a copy of the receptacle slide of the ordinary rest for ornamental turning to carry all the same tools and cutting frames used therein. The tool… … cutting. The socket is also divided externally into degrees read by an index plate, to enable the tool to be inclined to definite angles to the right or the left of the slide below, and the stem is fixed by a binding screw at the side. Lastly this same stem is provided with a central elevating…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
