The inline chromatic harp is generally a single-course harp with all 12 notes of the chromatic scale appearing in a single row. Single course inline chromatic harps have been produced at least since 1902, when Karl Weigel of Hanover patented a model of inline chromatic harp.
The inline chromatic harp is generally a single-course harp with all 12 notes of the chromatic scale appearing in a single row Single course inline chromatic harps have been produced at least since 1902 when Karl Weigel of Hanover patented a model of inline chromatic harp