Favors pure thirds. The Wolf becomes a factor. Eight keys are playable. [Note, the red and blue "ET horizon" lines are not accurate in the meantone or modified meantone graphs. Yet.]
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Aaron (1523)
Zarlino (1558)
Huygens (1661)
Holder (1694)
Keller (1707)
Silbermann (1714)
Smith (1749)
Romieu (1755)
Holden (1770)
Marsh (1809)