Harpo-Iyre

Harpo-Iyre guitar in form of a lyra, invented by Jean-François Salomon of Besançon in 1827 and patented March 19, 1829. A guitar body was combined with 3 fretted necks bearing a total of 21 strings; the middle neck carried 6 strings tuned like those of a guitar (E0 A0 d0 g0 b0 e1); the left, or chromatic, neck carried 7 spun strings tuned A0 B♭0 c0 d♭0 d0 e0; and the right, or diatonic, neck carried 8 gut strings tuned c1 d1 e1 f1 g1 a1 b1 c2 (132, 204). Sort…