Bissex

Bissex (Lat.: twice six), guitar invented by Van Heck of Paris and built by Jean-Henri Naderman in 1774, with 2 groups of 6 strings. One group of strings passed over a fretted fingerboard; the others were off-board strings. The neck carried 20 frets; 3½-oct. compass (124, 176). Sort by:DefaultAuthorTitleDateAscendingDescending Laborde, Jean Benjamin de. Essai sur la musique ancienne et moderne. Paris, 1780. Sachs, Curt. Reallexikon der Musikinstrumente. Berlin, 1913.