Computus/ Science, Uncategorized

Willibrord’s Astronomical Horologium

September 25, 2018

Computus/ Science, Uncategorized

In Praise of Unpromising Sources: Science and Society 743-809

September 19, 2018

Uncategorized

The Isles and Europe

June 28, 2016

Uncategorized

Easter and Co-ordinating Time in the Early Middle Ages

April 3, 2015

Uncategorized

King and Mayor, 699 (Fun with Merovingian Dates 2)

September 28, 2014