HOYAL IRISH ACADEMY. 



SOME RECENT PUBLICATIONS. 



MATHEMATICS AflflJ PHYSICS. 



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

 Mechanical Rocker for Detecting Oscillations. 1897. pp.40. 410. 

 2s. 6d. 

 -Alexander (T.): On the Graphical Construction of Maximum Bending- 

 Moraents on Short Girders due to a Locomotive. igi2. pp. 26. 

 8vo. 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 



m 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 



Si.K Screws. 1901. pp. 68. 410. 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. S4' 8vo. 2s. 

 Browne (P. J.) : On an Integral Equation proposed by Abel, and other 



Functional Equations related to it. 1915. pp- 27. 8vo. 6d. 

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



8vo. 6d." 

 CONRAN (M. J.) : The Riemann Integral and Measurable Sets. 1912. 



pp. IS- 8vo. 6d. 

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



1907. pp. 8. Bvo. 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 m 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- 8^'°- i^- 

 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. 

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



Conic'to a Canonical Form. 1004. pp. 14 8vo. 6d. 

 .Fry (M. W. J.) : The Centre of Gravity and the Principal Axes of any 

 Surface of equal pressure in a Heterogeneous Liquid covermg a 

 Heterogeneous Solid composed of nearly Spherical Shells of equal 

 density, when the whole Mass is rotating with a small Angular 

 Velocity in Relative Equilibrium under its own Attraction. 1907 

 PP- 6. 8vo- IS. 



