! chalmers_ji3.scl ! 15 16 17 18 19 20 21 on 1/1, 15-20 on 3/2, May 2, 1997. See other scales 12 ! 16/15 17/15 6/5 19/15 4/3 7/5 3/2 8/5 17/10 9/5 19/10 2/1