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Newton's principia, first book sections I, II, III, with notes and illustrations and a collection of problems, principally intended as examples of Newton's methods (1900)

Newton, Isaac, Sir, 1642-1727, Frost, Percival, 1817-1898 · London, Macmillan · leaf 123

An illustration from Newton's principia, first book sections I, II, III, with notes and illustrations and a collection of problems, principally intended as examples of Newton's methods, 1900, leaf 123
Let AB be a curve of finite curvature, J5Z), hd subtensesparallel to AE the given direction. Draw A U perpendicular toAB, and ^/Smaking angle UAS = UAE- then since AE k adiameter of the parabola by Art. 91, A8 is in the direction ofthe focus. Also, if 4:A 8 be taken a third proportional to BB and…

Mechanics · Celestial mechanics

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More pictures from Newton's principia, first book sections I, II, III, with notes and illustrations and a collection of problems, principally intended as examples of Newton's methods

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