upon the triangular psalterium ([Fig. 26]), because it has a sort of small sound-board at the top. Scarcely better, with regard to acoustics, appears to have been the instrument designated as nablum, which is engraved ([Fig. 27]) from a manuscript of the ninth century at Angers.
Fig. 26.—King Playing Psaltery. After an engraving in N. X. Willemin’s Monuments Français Inédits, Vol. I., pl. 19, taken from Hortus Deliciarum, a MS. of the 12th century.
Fig. 27.—Nablum. From a 9th century MS. at Angers.
Fig. 28.—Female playing a species of Citole. From a 9th century MS. formerly in the monastery of St. Blasius, in the Black Forest.