Figs. 200, 201.
Figs. 202, 203, 205.
Figs. 206, 207, 208, 209.
The principle, indeed, is not new, as the rose engine is a similar tool, and, so long back as Bergeron's time, pattern plates were used giving any desired motion, endlong or otherwise, to the tool, or, which in effect is the same, to the work to be operated on.