Built in 1499 by Codussi, the clocktower features an immense blue and gold enamel astronomical dial showing the 12 signs of the Zodiac and lunar phases. Two bronze Moores strike the hourly bell at the top pinnacle.
The full decipherment and its observational protocol — where to stand, when, and what to watch for — are in the Venice field codex.
Or read the complete Florence codex free first.