These days it’s hard to be carry the label “maker” or “hacker” without also being proficient in some kind of CAD- even if the C is for Cardboard. But before there was CAD there was Drafting and its ...

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 metal instrument (possibly of ...

This German-made polar planimeter has a metal tracer arm attached to a brass arm holding a brass weight, both of which are painted black. The weight is marked: KEUFFEL & ESSER Co (/) GERMANY. A black ...