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 70
mentilatus unum radius vifivusin punctum D. fimulque perlatusalterum in punctum A. tranfeat, id quod fitin puncto P.ex quo radius dirigatur ad C, noteturque abfciffla umbra GH. punctorumv.g, 15. landem exploretur intervallum duarü ftationumgl P quod fit, exem- pli causà 160. paffüum. Iam… … C E ) ex hocnumero in fe ip- fum du&to: eftque 25600. Horum quadratotum fumma eft 96889. cujus quadrata radix311. pallis arguitinter C. & D. interceptos. . | . Supputatio hac per Inftrumentumut fiat, exemplo fequente. amanifcftum reddetur. In utraque flatione fugrintumbrz repertz 6o. & 34-ftationun
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.
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