liOYAJ. IRISH ACADEMY 



SOME EECENT PUBLICATIONS 



MATHfEMATICS AUfD PHYSICS. 



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

 arciiieoiogical—may be obtained on application.'] 



Alexander (T.) and A. W. Thomson : EUiptographs, 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.) : IJ^'namics and Modern Geometry — A New Chapter 



in the Theory of Screws. 1887. pp.44. 410. 2s. 

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



how 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. gd. 

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



pp. 67. 4tO. 2S. 

 Ball (Sir R. S.): Contributions to the Theory of Screws. 1910. 



pp. 54. 8vo. 2S. 

 Conran (M. J.) : Some Theorems on the Twisted Cubic. 1909. pp. 13. 



8vo. 6d. 

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



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

 Conway (A. W.) : The Dynamics of a Rigid Electron. 1908. pp. 13. 



8vo. 6d. 

 Conway, (A. W.): On the Motion of an Electrified Sphere. 1910. 



pp. 15. 8vo. 6d. 

 Conway (A. W.) : On the Application of Quaternions to some recent 



Developments of Electrical Theory. 191 1. pp. 9. 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. 1S99. pp. 15. 8vo. 3s. 6d. 

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



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

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



which yield Operators which annihilate a Ternary Cubic. 1907. 



pp. 12. 8vo. IS. 

 Egan (M. F.) : The Linear Complex, and a Certain Class of Twisted 



Curves. 1911. pp. 40. 8vo. is. 

 Fraser (J.) : Reduction of a Quartic Surface possessing a Nodal 



Conic to a Canonical Form. 1904, pp. 14. 8vo. 6d. 



