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 leg for a drawing compass has a ...

Dividers and compasses are drawing instruments that have been used since antiquity to measure distances, transfer lengths from one drawing to another, and draw circles. The Greek mathematician, Euclid ...

August 28, 2015 Add as a preferred source on Google Add as a preferred source on Google If you don’t have a compass on hand and need to draw a large circle, you can turn a few scrap pieces into a beam ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...