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 (1613)
Galilei, Galileo, 1564-1642 · Argentorati : Typis Caroli Kiefferi; prostant apud Joannem Carolum ... · leaf 67
íciffa, ut hic 6 ;. fecundoloco fcala tota 100. tertio denique al- titudo ftationis noftrz, utin hoc exemplo 123. Operatione peracta, pro- dibit quartus proportionalis 195. & una quarta circitér: quz eft diftantia ad quarendum propofita. Eftautem s Afilo perftringi {cale umbramoculoviciniorem:id… … Ze
Compasses (Mathematical instruments) · Geometry -- Early works to 1800 · Measuring instruments
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
![An illustration from Il primo [-secondo] libro d'architettura (1545)](https://img.insideoutlibrary.com/img/200/ia-gri_33125008448702-56-0.webp)
![An illustration from Directorivm generale vranometricvm : in quo trigonometriae logarithmicae fvndamenta, ac regulae demonstrantur, astronomicaeq[ue] supputationes ad solam ferè vulgarem additionem reducuntur : opus vtilissimum astronomis, geometris, arithmeticis, perspectiuis, architectis, praecipuè militaribus, mechanicis, geographis, nec non ipsis philosophis naturalibus (1632)](https://img.insideoutlibrary.com/img/200/ia-directorivmgener00cava-137-0.webp)
