Giovanni Padovani publishes a detailed treatise on the construction of sundials, Opus de compositione et usu multiformium horologiorum solarium, in Venice
^René Taton; Georges Allard; Edmond Bauer; Georges Canguilhem (1958). Histoire générale des sciences. La science moderne de 1450 à 1800) (in French). Paris: P.U.F. p. 711..