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D. Galilaei de Galilaeis ... De proportionum instrumento a se invento, quod meritò compendium dixeris universae geometriae, tractatus, rogatu philomathematicorum a Mathia Berneggero ex italica in latinam linguam nunc primùm translatus : adjectis etiam notis illustratus, quibus & artificiosa instrumenti fabrica, & usus ulterior exponitur

Galilei, Galileo, 1564-1642 · 1613 · Argentorati : Typis Caroli Kiefferi; prostant apud Joannem Carolum ... · 20 pictures

Compasses (Mathematical instruments) · Geometry -- Early works to 1800 · Measuring instruments

Internet Archive · Fisher - University of Toronto · Public domain (published before 1931) · More from this library