Ptolemy with a armillary sphere model. With a large version he claimed his solstice observations. Object Type: painting. Genre: portrait. Date: circa 1476. Dimensions: height: 98 cm (38.5 in) ; width: 66.3 cm (26.1 in). Medium: painting. Depicted People: Ptolemy. Collection: Louvre Museum. Series Title: 14 Portraits from the series of Famous characters. Ptolemy 1476 with armillary sphere model