THE ROCKER A wash of strong acid will remove the polish slightly and unevenly ; sulphur will remove it more manage- ably ; sandpaper can be pressed into it by means of a roller ; the surface can be filed or rolled over by a file ; a roulette or a small roughened roller can be run all over it ; a… … differences in the grain, which will show in the light places of a print. A modern ‘ rocker ’ is like an ordinary chisel with a rounded instead of a straight edge, one side of it, moreover, being channelled with close parallel lines. The rounded end permits of the instrument being easily rocked…
Mezzotint engraving · Mezzotinters
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
