John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 223
to those employed for the first. After this, the sliderest is fixed at right angles to the axis of the work to turn the end- plane h, which is continually reduced from the edges to the center with a round or with the end of a right side tool, until this pentagon bounded by the five planes, its… … axis of the work and slightly moved along the mainslide of the rest between each, until the group of pentagons from a to c, prove to be of the same dimensions as those from a to b, when also the terminal pentagon thus formed opposite to /;, will agree with all the others and the solid may be…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Preclarissimũ opus elemento[rum]](https://img.insideoutlibrary.com/img/200/ia-gri_000033125009354198-219-0.webp)
