John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 74
work; hut the height of center was not specially provided for, and the lateral position of the tool still depended upon the hand and eye. Bergeron (1816) describes a similar con- trivance ; the groove in this bar was undercut to both sides and the lever fig. 2 was bent over and terminated in a… … sliderest is found in another simple contrivance fig. 8, which with the succeeding illustration is also reproduced from Bergeron. A short length of the rectangular grooved metal bar was inverted and fixed upon a strong wood block that was clamped upon the lathe bearers, and the tool was pushed…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
