John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 453
sually first grained, page 85, and the segment pattern is cut through this as back ground with a double angled sliderest tool to a more or less considerable depth, when the pattern reflects the light at different angles to the graining with a brilliant effect to which the printed examples cannot… … be placed from the axis of the latter, and that the partial rota- tion of the mandrel within any limits determined by the positions of the segment pins then only gives arcs of concentric circles, by themselves comparatively useless for ornamental combinations; but when the work is mounted on the…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-26-4.webp)
