Germany / early 20th century
Compass and Divider in Case
Compass and Divider in Case
The Smithsonian catalogs Compass and Divider in Case as compass in its Mathematics records.
WHY IT’S INTERESTING
This six-inch German silver instrument opens into a double "V" shape. It has a cylindrical handle, thumbscrews for removing the point attachments, and thumbscrews for adjusting the points. The legs may be fitted with any combination of two needle points, two lengthening bars, and a pen point. The pencil point is missing. The lengthening bars extend the compass horizontally to a width of 9-3/4", al