/internal/media/dispatcher/1298189/resize%25253Aformat%25253DthumbnailPlanispheric astrolabedated 1375Petrus Raimundus10.9 x 16.2 cm (4 5/16 x 6 3/8 in.)Gilded brassGift of Mrs. A. C. Baldwin88.6541Foliated scroll attachment at top; the inner discs are engraved on both sides with circles and figures, the open-work piece above these is covered with engraved letters and figures.Tools and equipment16.20000000006172601