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Archive Reference (shelfmark) Harley MS 1-7661

141. Harley MS 80, ff 1r-57r

Reference (shelfmark):
Harley MS 80, ff 1r-57r
Title:
Texts on mathematics and geometry
Scope & Content:
The first unit relates to mathematics and geometry and comprises: Roger Bacon, De Scientia Perspectiva (ff. 1r-33v); Richard of Wallingford, Tractatus Albionis (ff. 34r-54r) and Tractatus rectanguli (ff. 54v-57r). Decoration: Chapter initials (3 lines; ff. 1r-8v and 34r-57r) in blue, with p...
Collection Area:
Western Manuscripts
Languages:
Latin
Date Range:
1350-1499
Extent:
57 folios.

142. Harley MS 80, ff 1r-57r, ff 1r-33r

Reference (shelfmark):
Harley MS 80, ff 1r-57r, ff 1r-33r
Title:
Roger Bacon, De Scientia Perspectiva
Scope & Content:
De Scientia Perspectiva, treatise on optical science and phenomena by Roger Bacon (circa 1214-1292), philosopher and Franciscan friar. It is copied in cursive script (Anglicana) by two English hands, datable respectively to the second half of the 14th century (ff. 1r-8v, and 15th century (ff. 9r...
Collection Area:
Western Manuscripts
Languages:
Latin
Date Range:
1350-1499
Extent:
33 folios.

143. Harley MS 80, ff 1r-57r, ff 34r-54r

Reference (shelfmark):
Harley MS 80, ff 1r-57r, ff 34r-54r
Title:
Richard of Wallingford, Tractatus Albionis
Scope & Content:
Richard of Wallingford, Tractatus Albionis. This treatise by Richard of Wallingford (c. 1292-1336), abbot of St Albans and astronomer, relates to an equatorium, an astronomical instrument for the calculation of planetary positions. It was probably composed around 1326, at much the same period ...
Collection Area:
Western Manuscripts
Languages:
Latin
Date Range:
2nd half of the 14th century
Extent:
21 folios.

144. Harley MS 80, ff 1r-57r, ff 54v-57r

Reference (shelfmark):
Harley MS 80, ff 1r-57r, ff 54v-57r
Title:
Richard of Wallingford, Tractatus rectanguli
Scope & Content:
Richard of Wallingford, Tractatus rectanguli. Prologue 'Rectangulum in remedium tediosi & difficilis operis', rubric 'Capitulum primum de arte componendi tibiam primam', incipit: 'Ad componendum igitur rectangulum, separemus laminam', explicit (f. 57r) 'ponimus istic finem', followed (f. 57r...
Collection Area:
Western Manuscripts
Languages:
Latin
Date Range:
2nd half of the 14th century
Extent:
4 folios.

145. Harley MS 80, ff 58r-74v

Reference (shelfmark):
Harley MS 80, ff 58r-74v
Title:
Zael (Sahl ibn Bishr al-Isra'ili), Texts on astronomy
Scope & Content:
The second unit relates to and contains two texts by Zael (Sahl ibn Bishr al-Isra'ili), De interrogationibus or Liber introductorius ad astrologiam (ff. 58r-68r), and De Electionibus (ff. 68v-74r).
Collection Area:
Western Manuscripts
Languages:
Latin
Date Range:
3rd quarter of the 14th century
Extent:

17 folios.

146. Harley MS 80, ff 58r-74v, ff 58r-68r

Reference (shelfmark):
Harley MS 80, ff 58r-74v, ff 58r-68r
Title:
Zael (Sahl ibn Bishr al-Isra'ili), De interrogationibus or Liber introductorius ad astrologiam
Scope & Content:
Zael (Sahl ibn Bishr al-Isra'ili), De interrogationibus or Liber introductorius ad astrologiam. Rubric 'Capitulum primum / principium consi/deracionis in rebus / quod est ascendens', incipit: 'Cum interrogatus fueris de aliqua interrogatione', explicit: 'destinetur omne quodam pertinet ad eand...
Collection Area:
Western Manuscripts
Languages:
Latin
Date Range:
3rd quarter of the 14th century
Extent:
11 folios

147. Harley MS 80, ff 58r-74v, ff 68v-74r

Reference (shelfmark):
Harley MS 80, ff 58r-74v, ff 68v-74r
Title:
Zael (Sahl ibn Bishr al-Isra'ili), De Electionibus
Scope & Content:
Zael (Sahl ibn Bishr al-Isra'ili; d. 822 or 850), De Electionibus, excerpts?; Rubric 'Incipit eleccionum liber. Capitulum primum', incipit]mnes concordati sunt quod / electiones sint debiles nisi in / divitibus', explicit: 'quod non sit in xii signis ex eleccionibus'. Followed by two lines add...
Collection Area:
Western Manuscripts
Languages:
Latin
Date Range:
3rd quarter of the 14th century
Extent:
7 folios.

148. Harley MS 80, ff 75r-84v

Reference (shelfmark):
Harley MS 80, ff 75r-84v
Title:
Texts on astronomy and the making of talismans
Scope & Content:
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), L...
Collection Area:
Western Manuscripts
Languages:
Latin
Date Range:
3rd quarter of the 14th century
Extent:
10 folios.

149. Harley MS 80, ff 75r-84v, ff 75r-76r

Reference (shelfmark):
Harley MS 80, ff 75r-84v, ff 75r-76r
Title:
Thebit ben Corat (Thabit bin Qurra), De imaginibus
Scope & Content:
Thebit ben Corat (Thabit bin Qurra), De imaginibus; a book of instructions for making talismans that was very popular in the Middle Age, and was translated by Adelard of Bath and by John of Spain. Begins imperfect in the middle of the third part of the tract, incipit: 'fuerit sol in aliqua digni...
Collection Area:
Western Manuscripts
Languages:
Latin
Date Range:
3rd quarter of the 14th century
Extent:
2 folios.

150. Harley MS 80, ff 75r-84v, ff 76r-77v

Reference (shelfmark):
Harley MS 80, ff 75r-84v, ff 76r-77v
Title:
De imaginibus super facies signorum, attributed to Claudius Ptolemaeus (Ptolemy)
Scope & Content:
De imaginibus super facies signorum attributed to Claudius Ptolemaeus, a work on engraved images which in the manuscript tradition often follows the work by Thebit. Rubric 'Opus Omaga/rum secundum / consilium ptolomeum [sic] et / est omnibus modis propior / et veracior in probatione quoniam eius ...
Collection Area:
Western Manuscripts
Languages:
Latin
Date Range:
3rd quarter of the 14th century
Extent:
2 folios.

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