FENYX : ALTER THESAURUS SCRIPTORUM MUSICORUM

Anonymous

[De proportione]

Period: 14th

Source: Oxford, Bodleian Library, MS Bodley 842 (S.C. 2575), f. 46v.

Electronic version prepared by Peter M. Lefferts T, Michael W. Lundell C, and Thomas J. Mathiesen A for the Thesaurus Musicarum Latinarum, 1995.

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[f.46v]Primus habet m .ne. sic sextus tercius atque septimus octauus fieri dicit quartus. quod secundus

Proporcio autem semitonij ad totum est superbiparciens ut 256 ad 243 uerbi gracia sit quod monacordi diuidatur in 3344 ille numerus iam est tonus illius tonus est .288. semitonus est 256 proporcio autem diatessaron est sicut 4. ad 3. diapente est sicut proporcio 3. ad 2. proporcio diapason est sicut 2 ad 1.

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