John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 461
tting the before mentioned surface segment patterns. The segment stop therefore, only determines the extent of the circular cut, but a gentle equal rotation of the mandrel is as necessary to the smooth finish of the ornament all along every individual rib or excision ; this equal movement may be… … 468, is one apparatus for the above named purpose. This con- sists of a grooved pulley about half the diameter of that of the mandrel, carried by a straight piece hinged to a plate that tem- porarily takes the place of the washer beneath the lathe head. The pulley is adjusted by a screw to regulate…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
