PART I. MANUSCRIPTS Systems of Rays. Part Third Two Letters to Augustus de Morgan (1858) Letter to Hart on Anharmonic Coordinates (1860)
PART II. GEOMETRY On Symbolical Geometry (1846-49)* [Cambridge and Dublin Mathematical Journal, 1, 45-57, 137-154, 256-263(1846); 2, 47-52,130-133, 204-209 (1847); 3, 68-84, 220-225 (1848);4, 84-89,105-118 (1849).] On some new applications of Quaternions to Geometry (1849) [British Association Report 1849, Part II., p. 1.] On Polygons inscribed on a Surface of the Second Order (1850) [British Association. Re)ort 1850, Part II., p. 2.] Symbolical Extensions of Quaternions; and Geometrical Applications of Quatemions (1855) [Proceeding's of the Royal Irish Academy 6, 250, 260, 311 (1858).] On a General Expression by Quaternions for Cones of the Third Order (1857) [Proceedings of the Royal Irish Academy 6, 506, 512 (1858)] On a certain harmonic property of the envelope of the chord connecting two corresponding points of the Hessian of a Cubic Cone (1857) [Proceedings of the Royal Irish Academy 6, 524 (1858).] On some applications of Quaternions to Cones of the Third Degree(1857) [British Association Repart 1857, Part II., p. 3.] On Anharmonic Co-ordinates (1860) [Proceedings of the Ruyal Irish Academy 7, 286-289, 329, 350-354 (1862)] On Geometrical Nets in Space (1861) [Proceedmgs of the Royal Irish Academy 7, 532-582 (1862).] On Geometrical Nets in Space (1861) [British Association Report 1861. Part II.. p. 4.] ……
PART III. ANALYSIS PART IV. ASTRONOMY PART VI. MISCELLANEOUS
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