Musical Slide Rules, Major and Minor Chords

Description

Musical Slide Rules, Major and Minor Chords

Musical Slide Rules, Major and Minor Chords. This slide rule makes all major and minor chords. Made for children, simply move the slide and play the keys under the figures. The piano section of the slide rule is the same size as piano keys and can fit behind them, so that playing any chord becomes a very easy task.

Musical Slide Rules, Major and Minor Chords