History of Natural Philosophy from the Earliest Periods to the Present Time ...

actual algebra Alhazen ancient angle appears application Archimedes Aristotle astronomy attempt Bacon bodies calculation called causes centre circle cloth lettered colours conic sections connected considerable construction Copernicus curve deduced degree discoveries distance earth eminent enquiry equations Euclid extended fact fluxions force Galileo genius geometry glass gravitation Halley Hipparchus History Huyghens hyperbola idea important improvements inductive philosophy invention investigation Kepler knowledge labours Leibnitz length light limit mathematical mathematicians means measure mechanical method method of exhaustion mind moon motion Natural Philosophy nature Newton object observations Optics orbit original parabola parallax perhaps period phenomena philosophical physical planetary planets Principia principle probably problems progress Ptolemy published quantity ratio rays referred refraction Regiomontanus remarkable researches result solar speculations stars success supposed SWAINSON telescope theory tion traced treatise truth Tycho Tycho Brahe vignette titles vols whole