A folding almanac in Latin, containing a calendar (three months per leaf) and astrological tables and diagrams. Produced in England c.1415-1420 (the calendar includes the feast of John of Beverley, whose cult was proclaimed by Henry V after victory at Agincourt on 7 May 1415). It follows the Kalendar ad meridiem Oxonie of John Somer (1380), and contains data for the four Metonic cycles starting in 1387, 1406, 1425 and 1444, with lists of solar eclipses between 1384 and 1462 and lunar eclipses between 1387 and 1462. Like the other twenty-nine folding almanacs known to be extant, it contains data that enabled medical practitioners and others to diagnose and prognosticate, as well as to obtain information about religious feasts and other key moments in the calendar. This example, with its silk binding and fine illustrations, may have been a luxury object. Watch a video of the almanac
1 volume 7 vellum leaves, in a green and pink embroidered textile binding lined with purple velvet. Paper label tipped in after fol. 7. Binding measures 38 x 160 mm; leaves when folded measure 38 x 119 mm; leaves when unfolded measure 106 x 236 mm. Lacks the calendar leaf that would have covered July-September. Each leaf is folded three times and when opened out contains six rectangular compartments. Headings on verso, and text occasionally runs over onto verso. Written in brown, red, dark red, blue and purple ink with gold leaf. Each calendar month opens with a gilt 'KL' with purple penwork. Fol. 1: Calendar to the table of movable feasts, with large gilt initial 'A'. Fol. 2: Calendar for January-March. Fol. 3: Calendar for April-June. Fol. 4: Calendar for October-December. Fol. 5: Table of the planetary hours and degrees of the moon, with large miniature of the Zodiac Man in blue, red, dark red and brown ink with gilt border. Fol. 6: Lunar eclipses (second, third and fourth cycles) with diagrams in red and brown ink and gilt. Fol. 7: Solar eclipses with diagrams in blue, red and brown ink with gilt; first cycle of lunar eclipses with diagrams in red and brown ink with gilt.
Purchased at Christie's (London, King Street) 20/11/2013, Lot 52
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Format: Archive, Institution: n/a, Identifier: b20605389, Digicode: digwms, Collection code: MS.8932