Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X It’s a lunar volvelle, a device dating to the medieval era used to chart the passage of the moon ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This square ivory diptych sundial is ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This magnetic azimuth dial is of the ...
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