Drawing instruments have been essential to mathematics, architecture, surveying, navigation, engineering design, and other technical endeavors from antiquity through the 20th century, although ...

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 mahogany case is lined with ...

Who could imagine you could draw musical instruments on normal paper with any pencil and then play them with your finger? It is an electronic pencil that lets you make music while you draw. Their ...