Seb Falk will unpick the curious history of medieval calendars. From the mind-bending maths required to establish the precise length of the year and calculate the date of Easter, to their accumulation of a wealth of astronomical, astrological and devotional data, to their use as frames for stunning seasonal art, calendars are endlessly fascinating. This […]

Accordion, screenfold, chain—various terms have been applied to books folded in a zig-zag or ‘concertina’ pattern. Seen now as novelties, concertina-fold books were once found worldwide. They were even the preferred or sole book format in some places, before the imperial spread of the codex. This one-day symposium brings together a group of international experts […]

Join us for a short curatorial introduction to our newest exhibition, 'Unfolding Time', after which the curator will be present for questions and discussion. Come and explore medieval concepts of the past, present and future through a rare and remarkable group of manuscripts: concertina-fold almanacs. Within the zigzag folds of these extraordinary books, time is […]