A sequel to the first six books of the Elements of Euclid, containing an easy introduction to modern geometry, with numerous examples. By John Casey.

INDEX. 251 Points, the limiting points of a coaxal system, 43, 115. -- the symmedian point of a triangle, 170. _-the symmedian point of a harmonic polygon, 199. Pole and polar defined, 44. Polygon, harmonic, 199. - - Tarry's, 222. Poncelet, 77. Poncelet's theorem, 125. Ptolemy's theorem, extension of, I04. Radical axis, 43. ~ --- —- centre, 43. Radins of inversion, 41, 96. Rays, pencil of, 127. Reciprocation, I42, I43. Russell, 246. Salmon, preface, 46, 77, 2II. Similitude, axis of, 84. centre of, 82. ----- circle of, 86, i85. triangle of, I85. Simmons, 223. Simson, 164, i85. Species, triangle given in, 37. quadrilateral given in, 8i. Steiner, theorem hy, 103, I55) 264,. i67. Stoll, theorem hy, 217. Stubbs, 95. Symmedian lines of a triangle, 170. point of a triangle, I70. - -------- lines of harmonic polygon, 199. --- points of harmonic polygdns, 199. Tarry, theorem hy, i89, 215, 221. Taylor, theorem hy, i84, i85, i86,. i87, i88. Triangle, given in species, 37. ---- self-conjugated, 93 -ofsimilitude, i85. Townsend, preface, 77, 125, 133, i68. Tucker, theorems hy, 206, 222, 216, 227. Weill, theorems hy, 264. END., Pr-inted by PONSONBY AND WELDRICK, Dublin.

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Title
A sequel to the first six books of the Elements of Euclid, containing an easy introduction to modern geometry, with numerous examples. By John Casey.
Author
Casey, John, 1820-1891.
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Page 236
Publication
Dublin,: Hodges, Figgis & co.; [etc., etc.]
1888.
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Geometry

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"A sequel to the first six books of the Elements of Euclid, containing an easy introduction to modern geometry, with numerous examples. By John Casey." In the digital collection University of Michigan Historical Math Collection. https://name.umdl.umich.edu/acv1576.0001.001. University of Michigan Library Digital Collections. Accessed May 24, 2025.
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