Cathedral of Santa Maria del Fiore
Table depicting the plan and transverse section of the transept of the Cathedral of Santa Maria del Fiore. Note the course of the sunbeams, through the gnomon in the dome, L. Ximenes, "Del vecchio e nuovo gnomone fiorentino e delle osservazioni astronomi
© Institute and Museum of the History of Science / Eurofoto
Last update 10/gen/2008