Pythagorean

Favors pure fifths. A series of pure fifths produces the "Pythagorean" third; for example, pure ("just") C-G-D-A-E produces a CE M3 that is quite wide.

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Boulliau (1373)

Grammateus (1518)

Neidhardt (1732)

Neidhardt-Marpurg-De Morgan (1858)

Moscow (1895)