De concordia mensium atque elementorum (Byrhtferth's diagram)
diagram
prose
Byrhtferth of Ramsey
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Byrhtferth of Ramsey
(c. 970–c. 1020)
English monk and scholar
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Elaborate diagram of the ‘harmony of the months and elements’, which once occupied a single page in a largely computistical manuscript compiled by Byrhtferth of Ramsey (c. 970–c. 1020). The original of this compilation is lost, but two independent ‘copies’ made in the early 12th century remain. The diagram aligns different aspects of time (solstice, equinox, months, seasons, ages of man), the zodiac and the four elements, and in this way, introduces a number of key concepts relevant to computus. In the Oxford manuscript, the diagram comes right at the end of a section (ff. 3r-7v) which contains a miscellaneous variety of short texts and visual designs related to computus, and directly precedes another section (ff. 8r-15v) containing tables and texts on computus.
De temporibus (Bede)
prose
Bede
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Bede
(d. 735)
English monk at Monkwearmouth-Jarrow; author of the Historia ecclesiastica gentis Anglorum and works on various religious and theological subjects.
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Short, influential and widely disseminated Latin tract on the topic of time-reckoning, written c.703 by the Northumbrian monk Bede. Bede came to revisit this topic at greater length when in c.725 he wrote De tempore rationum.
De temporum ratione (Bede)
prose
Bede
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Bede
(d. 735)
English monk at Monkwearmouth-Jarrow; author of the Historia ecclesiastica gentis Anglorum and works on various religious and theological subjects.
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Influential Latin treatise by the Northumbrian monk Bede on the methods of calculating time and the construction of a Christian calendar (computus). The work was preceded by Bede's briefer treatment of the same subject known as De temporibus.
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