Join Sam from Samcraft as he explores the xTool F2 Ultra, the first 60W MOPA and 40W diode dual laser engraver. This video covers the machine's features, technical specifications, and performance ...

Views of London. 45 plates engraved by Charles Heath (1785-1848) (London: Hurst, Robinson & Co., & R. Jennings Year: 1825). Each plate accompanied by a leaf with descriptive letterpress. Graphic Arts ...

Image Size 7 3/8 x 10 1/2 inches 17 x 20 inches ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Utensils would travel back and forth, and the engraved names ensured that each one found its way home, like a homing pigeon guided by the warmth of familiarity. There are some traditions so simple yet ...