John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 73
con- trivances depicted by Plunder, (1701) and its invention was doubtless retarded both by the necessity of withdrawing the tool from contact with the work at every upstroke of the pole or spring, as also by the difficulties that would have then pre- sented themselves in its construction. The rest… … trivance for controlling the tool as also the only one mentioned by that author was directly derived from it. The wood bar was exchanged for one of metal or of wood and metal combined fig. 1, flat upon the top, with a surface groove rebated and undercut throughout its length. This bar as before,…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial4621dodg-393-538.webp)
