John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 393
ce also had a central pin left upon it in the solid, fitting the aper- ture in the disc ; the exposed face of the latter was then next turned flat and polished, the edge true, and a center mark struck in the end of the wood pin for future adjustments. The distance from this center to those of the… … and being shifted round by the wheel of the chuck, these three equidistant holes were pierced from the surface in the manner lately referred to. The sliderest was then placed parallel with the mandrel and the fixed tool exchanged for the vertical cutting frame fig. 90, very carefully adjusted for…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
