Object lesson: the sundial of Marcus Novius Tubula

What is it? This is a Roman stone sundial, a timekeeping device that had become quite common in the Roman world from the 2nd century BC onwards. Carved out of a limestone block (54cm × 35cm × 25cm), the sundial is engraved with 11 hour-lines (demarcating the 12 horae of daylight) intersecting three day-curves (giving […]