Mathematical principles of natural philosophy ; Optics 
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Review: Great Books of the Western World
User Review  Garrett Starr  GoodreadsI have always wanted this collection, but over the years I purchased other books instead. When our church moved into our current digs, this entire collection was hidden away in a back room and covered ... Read full review
Review: Great Books of the Western World
User Review  Pete Skimin  GoodreadsPicked up this entire set in excellent condition at a library sponsored used book sale for $60.00. hands down one of my best finds. Read full review
Common terms and phrases
angle appear apse arise ascend attracted axis blue body centripetal force circle colours comet common centre compounded conic section corpuscle crystal curve cycloid cylinder density descend described diameter diﬁerence diminished distance diurnal motion drawn earth ellipse equal ﬁfth ﬁgure ﬁnd ﬁrst ﬁts ﬂuid force of gravity given ratio glass globe greater hole hyperbola inches inﬁnitely inﬁnitum inversely Jupiter latitude latus rectum length less let fall light medium moon moon’s motion move nodes nonresisting obliquely observed orbit oscillations parabola parallel particles pass pendulum perpendicular plane principal vertex prism Prop propagated proportional PROPOSITION PSPT quadratures quantity radius rectangle reﬂected reﬂexion refraction refrangible rays resistance revolve right line rings semidiameter side sine of incidence space sphere spherical spheroid square root straight line Sun’s suppose surface syzygies tangent thence tion velocity violet waves weight whole yellow