Ancient musical instruments and masks. A Greek barbiton or harp (1); a mask of Hercules furens of Euripides (2); a mask of Thais from Terence's play of the Eunochs (3); lyre player from volume 4; plate 42 of the Herculaneum paintings (4) and lyres from Sir William Hamilton's collection (5;6). Copperplate engraving from Abraham Rees' Cyclopedia or Universal Dictionary of Arts; Sciences and Literature; Longman; Hurst; Rees; Orme and Brown; London; 1820.