John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 512
h the radius of the tool progressively increased so as to gradually reduce these ribs to a suitable proportion to their length. With the same adjustments of the chuck and with the fluting stop remaining as before, a flat cutter revolving at a radius equal to the width of the space between the… … these second recesses, which thus fall in at their one ends with the semicircular heads of the lights, might also terminate at their opposite extremities against the upper ends of the panels fig. 496. The tool reduced in radius to revolve upon its own width was then readvanced to the same depth,…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
