Artificial intelligent assistant

melanochalcographer

melanochalˈcographer Obs.
  [f. melano- + chalcographer.]
  An engraver of copper plates for printing.

1697 Evelyn Numism. viii. 283 The late Melanochalcographer, N. de Seigen, who first produced the Mezzo-Tinto Graving.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC 38dce74fb380f6816b42b1577b759f94