ROYAL IRISH ACADEMY 



SOME EECENT PUBLICATIONS 



MATHEMATICS. 



[Lists of Papers on other subjects— scientific, literary, and 

 archseological—may be obtained on application.'^ 



Alexander (T.) and A. W. Thomson : Two-nosed Catenaries, and 



their application to Segmental Arches. 1888. pp. 56. i plate. 



4to. 3s. 

 Alexander (T.) and A. W. Thomson : Elliptographs, and a 



Mechanical Rocker for Detecting Oscillations. 1897. pp. 40. 4to. 



2s. 6d. 

 Ball (Sir R. S.) : Dynamics of a Rigid System moving in Elliptic 



Space. 1881. pp. 26. 4to. is. 

 Ball (Sir R. S.) : Extension of the Theory of Screws to the Dynamics 



of any Material System. 1881. pp.38. 4to. is. 6d. 

 Ball (Sir R. S.) : Plane Sections of the Cylindroid. 1887. pp.31. 



2 plates. 4to. 3s. 



Ball (Sir R. S.) : Dynamics and Modern Geometry — A New Chapter 

 in the Theory of Screws. 1887. pp.44. 4to. 2s. 



Ball (Sir R. S.) : Eighth Memoir on the Theory of Screws, showing 

 fiow Plane Geometry illustrates General Problems in the Dynamics 

 of a Rigid Body with Three Degrees of Freedom. 1889. pp. 58. 

 I plate. 4to. IS. 6d. 



Ball (Sir R. S.) : Theory of the Content. 1889. pp.60. 4to. 2s. 6d. 



Ball (Sir R. S.) : Theory of Permanent Screws. 1891. pp. 40. 4to. 

 IS. 6d. 



Ball (Sir R. S.) : Theory of Pitch Invariants and Theory of Chiastic 

 Homography. 1894. pp. 28. 4to. is. 6d. 



Ball (Sir R. S.): Further Developments of the Relations between 

 Impulsive Screws and Instantaneous Screws. 1897. pp. 46. 4to. 



2S. 



Ball (Sir R. S.) : Twelfth and Concluding Memoir on the Theory of 



Screws. 1898. pp. 52. 4to. 2s. 

 Ball (Sir R.- S.) : Further Developments of the Geometrical Theory of 



Six Screws. 1901. pp. 68. 4to. 2s. 

 Ball (Sir R. S.) : Reflection of Screw Systems and allied questions 



1903. pp. 54. 4to. IS. 9d. 

 Ball (Sir R. S.): Some Extensions of the Theory of Screws. 1904. 



pp. 67. 4to. 2S. 

 Casey (J.) : Cubic Transformations. 1880. pp. 140. 4to. 2s. 6d. 

 Conway (A. W.) : A Theorem on Moving Distributions of Electricity. 



1907. pp. 8. 8vo. 6d. 

 Culverwell (E. p.) : Maximum and Minimum Solutions in the 



Calculus of Variations when certain Fluxions of the Variables have 



finite and arbitrary Variations. 1899. pp.15. 8vo. 3s. 6d. 

 Cotter (J. R.) : A New Method of Solving Legendre's and Bessel's 



Equations, and others of a similar type. 1907. pp. 5. 8vo. is. 

 Daavson (H. G.) : On the Properties of a System of Ternary Quadrics 



which yield Operators which annihilate a Ternary Cubic. 1907. 



pp. 12. 8vo. IS. 



