On circle No. 1 12 holes, distances 30°
" " 2 36 " " 10°
" " 3 48 " " 7½°
" " 4 60 " " 6°
" " 5 24 " " t= 5°, t'=25°
" " 6 24 " 6° 24°
" " 7 24 " 7½° 22½°
" " 8 24 " 10° 20°
Circle 8 produces the notes of circles 1 and 2; circle 7, those of 1 and
3; circle 6, those of 1 and 4; and circle 5, the note of circle 1 and of
its sixth harmonic.