Monks, manuscripts, and sundials : the navicula in medieval England -- Five fifteenth-century sundials -- Manuscript sources about the navicula -- Calendar tables and latitude lists -- Texts, instruments, diagrams, and relations between them -- Using a sundial, understanding the…
"The navicula sundial, because of its rarity and attractive form, has interested curators and historians alike. Although apparently a specifically English instrument, there is much debate about when and where it was invented, and about who made and used the five surviving mediev…
Bringing together the surviving material and manuscript evidence, this book looks closely at a fascinating medieval sundial in the form of a ship. It considers who made and used the surviving instruments, as well as studying the scholars who wrote about it.