This reprint of
Volume III is the first to include the supplemental 300 pages of revisions
and 250 additional woodcuts provided by John Jacob Holtzapffel in
1894, thus making available the complete text of this very rare book.
Volume III covers
in complete detail processes used to reduce and shape other than with
cutting tools: the shaping and polishing of stone and marble; the
grinding and sharpening of cutting tools to precise forms and angles;
the producing of cylindrical, spherical, conical and plane surfaces
by abrasion and surface grinding; glass cutting and etching, lens
grinding and polishing; the use of diamonds in drilling and grinding;
grinding of internal cylinders; lapidary work; gem and glass engraving;
watchmaker’s turning tools; varnishing, lacquering, and bronzing;
and much more.