Time Unfolded: A Late Medieval Concertina Calendar in the Staatsbibliothek zu Berlin (Libr. pict. A 92)

Gastbeitrag von Dr. Sarah M. Griffin The diffusion of mechanical clocks in fourteenth-century Europe introduced new systems of tracking time. Many of these converged in late medieval calendars, which contain details of the yearly cycle that were calculated by astronomical observation and ordered through liturgical routine. During this period, the calendar broke free from its […]