"Planimeter - GPS area measure" is an Android application launched by VisTech.Projects developer for people who need to do measurements on a map using mobile devices. The app uses Google Maps and GPS ...

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 ...

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 ...