Printed for W. Frederick, at Bath: and sold by J. Robinson and Roberts, in Pater-Noster-Row, and J. Dodsley, in Pall-Mall, 1769 (estc says there is a later second volume), 12mo, 210pp [22] (appendix), 2 folding plates of music and of harmonic ratios, full calf, recent reback, five raised bands with contrasting label and gilt title, original calf boards, small owner¿s label on front pastedown, endpapers offset and chipped, corners bumped and edges rubbed, but text clean and bright, attractive binding. Small early book label of John Philip Gell [Anglican educator who established schools in Tasmania, Australia].