Les sources manuscrites de la théorie de la musique
(S. IX-XVI)

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In primis ad levam

 

ROMA, Biblioteca Vaticana (I-Rvat), Pal. lat. 563, f. 141v.

 

Edition : Christian Meyer, Mensura monochordi. La division du monocorde (IXe-XVe siècles) (Paris: Société française de Musicologie, Éditions Klincksieck, 1996; Publications de la Société française de Musicologie, II,xv), p. 172.

 

In primis ad levam scribe litteram .Γ.
De qua ad finem VIIII passibus partiris.
Primus terminat in .A.,
tercius in .D.,
quintus in .a.,
sextus in .d.,
septimus in .a..
Reliqui vacant.

 

Item ab .A. ad finem novem passuum,
primus terminat in .B.,
tercius in .E.,
quintus in .[bq]. quadrum,
sextum in .e.,
septimus in [bq] [bq].
Reliqui vacant.

2 terminat] terminus ms

Item a .Γ. ad finem quatuor <passuum>,
primus terminat in C.,
secundus in G.
tertius in .g.
Quartus finit.

 

De .C. vero ad finem quatuor passuum,
primus terminat in .F.,
secundus in .c.,
tertius in .cc.

 

Ab .F. vero quatuor passuum,
primus terminabit in .b. rotundam,
secundus in .f.,
quartus f<init>.

 

A .b. rotunda duorum passuum,
primus terminabit in .bb.,
secundus finit.

 

Simili modo cum .d. invenies .dd.