logo Museo Galileo - Institute and Museum of the History of Science
Samuel Morland e John Marke, Macchina trigonometrica
Samuel Morland and John Marke, Trigonometric machine

LOndon 1670
Silver, silvered brass, ebony; 27,5x33 cm
Florence, Istituto e Museo di Storia della Scienza, inv. 689

Device for determining the value of a trigonometric function (sine and cosine) of a known angle or, vice versa, for finding the value of an angle when its function is known.