Monthly Archives: November 2010

In the last post, I discussed some early surveying instruments: merkhet, plumb line, knotted ropes, groma, decempedae and dioptra.  Of these, the dioptra that was designed by Heron (also known as Hero) of Alexandria, and reconstructed by Schone, appears to … Continue reading →

In the past few posts, I’ve been discussing maps and mapping.  I would like to build on those discussions by asking what would be needed in order to create a map.  To answer that question requires answering a few other … Continue reading →

In the last couple of  posts, I’ve been discussing maps, mapping and the measurements required to construct maps.  I am going to continue by looking at using maps for only one of their purposes: to provide a guide for how … Continue reading →