Inside Out Library · ExploreEtching and mezzotint engraving : lectures delivered at Oxford (1892)Herkomer, Hubert von, Sir, 1849-1914 · London ; New York : Macmillan and Co. · leaf 49Etching · Mezzotint engravingInternet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.More pictures from Etching and mezzotint engraving : lectures delivered at OxfordMore like this
