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 set is in a light blue cardboard ...

Add Yahoo as a preferred source to see more of our stories on Google. Whether you’re an artist, an architect, or carpenter, a T-square is an essential tool for your work arsenal. Like an upgraded ...