Large broadside (18 x 27 inches), folding into pictorial orange cloth binder (5 x 7 inches). The chart is titled: DIAGRAM OF THE PRATICABLE SOUNDS OF THE MODERN MUSICAL SYSTEM.. BY A PROFESSIONAL MUSICIAN. ADOPTED BY THE CONSERVATORY OF MUSIC, BOSTON. (Boston: Jean White, 1883). Item #726
Shown are the seven musical clefs with various remarks, including the tuning of stringed instruments. Inside the binder are promotional ads for this "ingenious aid." Covers lightly rubbed with one crease; handstamped on cover "L. B. Newton, North Bennington, VT."