and maps and the context for which they are shown that produces intended symbolic gestures; the clock, in relation to the maps, in relation to the celestial representations were an attempt to generate an effect of possessed knowledge over all space and time and in the case of the guardaroba, Cosimo I de Medici was to be seen as the possessor and purveyor of this knowledge, generating a narrative of his power. A digital reconstruction of the room, as it was designed and described by Giorgio Vasari can be found here. Old Chancellery This was Machiavelli's office when he was Secretary of the Republic. His polychrome bust in terracotta and his portrait are by Santi di Tito. They are probably modelled on his death mask. In the center of the room, on the pedestal is the famous Winged Boy with a Dolphin by Verrocchio, brought to this room from the First Courtyard. Mezzanine Located in between the first and second floors, these rooms are occupied by Renaissance and Medieval objects given in a bequest by Charles Loeser, an American expat collector and scholar. This collection is one of the most valuable municipal collections for its artistic and historical value. The rooms are located in the old palace, and were renovated in the mid-15th century by Michelozzo. It is the only part of the palace where the original 14th- and 15th-century ceilings are still entirely visible. Cosimo I's mother Maria Salviati lived in these rooms after Cosimo moved the family from Palazzo Medici to the Palazzo Vecchio (at that point Palazzo Ducale). The first room holds a Madonna con Bambino e san Giovannino, from the school of Lorenzo di Credi, a Madonna col Bambino in stucco painted in the Florentine school in the 15th century, a Madonna in Adoration by Christ with Saint Giovannino by Jacopo del Sellaio, a Madonna and Child attributed to Master of the Griggs Crucifix (15th century), and a Madonna Enthroned by the Tuscan school of the 14th century. Above the stone steps is a little room that was for a time a studiolo for Cosimo I. The window looks out over Piazza della Signoria and the room is decorated with birds, animals, fishes, and vegetal elements works by Bachiacca. The dining room holds one of the most famous works of the Loeser Collection, The Portrait of Laura Battiferri (wife of Bartolomeo Ammannati), by famous Renaissance painter