March 2013
Page 2

Astronomy and Solar Symbolism in the Basilica of San Miniato al Monte in Florence

An in-depth study of how the Basilica of San Miniato al Monte was aligned to capture sunlight on key Christian feast days. The article explores the relationship between architecture, astronomy, and religious symbolism in medieval Florence.
Historical Dials, How Sundials Work, Mathematics of Dialling, Sundial Design & Layout

Simone Bartolini
Marco Pierozzi

June 2013
Page 37

The Astronomical Function of the Marble Zodiac in the Florence Baptistry

An analytical study of the marble zodiac design within the Florence Baptistry, explaining how it functions as an astronomical instrument marking the sun’s passage and key calendar dates.
Dials: Horizontal, Historical Dials, How Sundials Work, Mathematics of Dialling

Simone Bartolini
Marco Pierozzi

March 2010
Page 2

The Restoration of Egnazio Danti’s Astronomical Quadrant on the Santa Maria Novella Basilica in Florence

Describes the history and function of Egnazio Danti's 1572 astronomical quadrant in Florence. It details the five systems of time measurement it displayed and outlines the methodology used to re-compute the missing gnomons for a modern restoration and the creation of a working copy.
Dials: Vertical, Historical Dials, Restoration projects, Sundial Design & Layout

Simone Bartolini
Marco Pierozzi

December 2010
Page 2

The Equinoctial Armilla on the Façade of the Santa Maria Novella Basilica, Florence

This article describes the Equinoctial Armilla, built by Egnazio Danti in 1573 on the Santa Maria Novella basilica in Florence. Its purpose was to determine the Equinox time and tropical year length, contributing to calendar reform. The article discusses its historical context, Danti's observations, chronological discrepancies, measurement errors due to the armilla's size, and the instrument's features.
Mathematics of Dialling, Historical Dials, Dials: Armillary Sphere

Simone Bartolini
Marco Pierozzi