||A Treatise Explanatory of the Principles constituting the Practice and Theory of the Violoncello; and of a Systematic method of Fingering, Fully Exemplified in Every Compass of the Instrument; with a Description of the Harmonics throughout its whole Extent; Illustrated by Delineated Figures, and Experiments ascertaining the nature of the Harmonic System: and Containing, also, a short account of the Rise, Progress, and General Elements of Music: as far as the Work necessarily requires such Illustration. By John Macdonald Esqr. F.R.S. F.A.S. late Lieut. Coll., Engineer, and Author of several Works.