The opportunity to get a rare glimpse into the world of brass restoration was the draw at a Thursday afternoon event at the Germantown Historical Society. What a dozen eager attendees saw there was a ...

Archaeologists in northern Poland have uncovered a finely crafted, 500‑year‑old navigational instrument that may once have sat in the hands of Nicolaus Copernicus, the astronomer who moved Earth from ...

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 ...

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 ...