[O] lux beata trinitas et

Source: 
Washington, D.C., The Library of Congress - Music Division, M2.1 XI M3
Folio: 
002v
Sequence: 
2
Feast: 
De Trinitate
Genre: 
H
Position: 
1
Cantus ID: 
008358
Manuscript Reading Full Text (standardized spelling): 
[O] lux beata trinitas et principalis unitas jam [sol recedit] igneus infunde lumen cordibus
Manuscript Reading Full Text (MS spelling): 
{#} lux beata trinitas et principalis unitas jam {#} igneus infunde lumen cordibus
Indexing notes: 
A lot is missing here. difficult to read, smudged, and part of manuscript missing. Unsure about the feast.