Harley MS 80, ff 75r-84v

The third unit of the manuscript relating to astronomy and to the making of talismans includes:

Thebit ben Corat (Thabit bin Qurra) De imaginibus (ff. 75r-76r);

De imaginibus super facies signorum, attributed to Claudius Ptolemaeus (Ptolemy) (ff. 76r-77v);

Hermes, Trismegistus (or Belenus), Liber imaginum lune (ff. 77v-81r);

Hermes, Trismegistus (or Belenus), De quindecim stellis (ff. 81-84v).

Decoration:

Large decorated initials (6 lines; ff. 76r, 77v, 81r) in red with penwork decoration in red and brown ink extending into the margins. Chapter initials (2-3 lines) in red, occasionally with pen-work decoration in red, larger ones with small guide-letters at the edge of margins. Headings, and paragraph marks in red; some words underlined in red. Diagrams (ff. 84r-84v) in ink. Marginal addition (f. 75v) by a contemporary hand inscribed within a triangular frame in red; other marginal notes and notabilia, Sigilla Planetarum (ff. 75v-76r, lower margins), and Zodiac signs (f. 78r, margin) added by 14th- and 15th-century hands.