Historiated initial 'S' depicting the Madonna and Child enthroned, from a gradual from the monastery of San Jacopo di Ripoli - (Cenni Di Peppi) Cimabue
Calculating Longitude with the Declination of the Sun, plate 17 from Nova Reperta New Discoveries engraved by Philip Galle 1537-1612 c.1600 - (after) Straet, Jan van der (Giovanni Stradano)