Keywords: Leonardo Lathe Treadle.png en First lathe with treadle power by Leonardo da Vinci Codex Atlanticus Folio 170 c 1490 Presented in Feldhaus Franz Maria Leonardo der Techniker und Erfinder 1922 p 54 PD-old-100 Creator Leonardo da Vinci 1490 Credit line http //en wikipedia org/wiki/User 3APortolanero Wikimedia Commons CC-BY-3 0 CC-BY-3 0 Manuscripts by Leonardo da Vinci Technical drawings by Leonardo da Vinci Inventions and constructions by Leonardo da Vinci Mechanical engineering by Leonardo da Vinci Codex Atlanticus |