xxiv Address of Mr J. W. Clark, President, 



February 17, 1823. 

 No papers recorded. 



March 3, 1823. 

 No papers recorded. 



March 17, 1823. 

 No papers recorded. 



April 14, 1823. 



By Will. Whewell, M.A. (Trin.) : On the different methods which have been 

 proposed to grind lenses and mirrors by machinery to a parabolic form. 



By Joshua King, M.A. (Qu.) : A new demonstration of the parallelogram of 

 forces. Trans. II. 45 — 46. 



By Geo. Peacock, M.A. (Trin.) : On the analytical discoveries of Newton and 

 his contemporaries. 



April 28, 1823. 



By Professor Gumming : On the development of electro-magnetism by heat. 

 Trans, n. 47 — 76. 



May 12, 1823. 



By Geo. Peacock, M.A. (Trin.) : On the irregular indications of the thermo- 

 meter. 



November 10, 1823. 



By Professor Cumming: On rotation produced by electro-magnetism as 



developed by heat. 

 A letter was read by Mr Peacock from Will. Joh. Bankes, M.P., on the 

 subject of the manuscript on papyrus of the lost book of the Iliad, recently 

 discovered by one of his agents in the island of Elephantina in Upper Egypt, 

 accompanied by a facsimile made by Mr Salt of the ten first lines of the 

 manuscript. 

 By Geo. Biddell Airy, B.A. (Trin.) : Explanation of an instrument exhibited to 



the Society, for the purpose of proving by experiment the constancy of 



the ratio of the sines of incidence and refraction in liquids. (Read 



by Mr Peacock.) 

 By Joh. Murray, F.S.A. : Some remarks on the temperature of the egg, as 



connected with its physiology. (Read by Mr Peacock.) 

 By the same : Experiments and observations on the temperature developed in 



voltaic action, and its unequal distribution. (Read by Mr Peacock.) 



November 24, 1823. 



By Will. Whewell, M.A. (Trin.) : On the expressions for the cosine of the 

 angle between two lines and two planes when referred to oblique co- 

 ordinates. Trans, n. 197 — 202. 



By Olinthus Gregory, LL.D. : An account of some experiments made in order 

 to ascertain the velocity with which sound is transmitted in the 

 atmosphere. (Read by Mr Peacock.) Trans, n. 119 — 137. 



December 8, 1823. 



By Professor Cumming: Exhibition of Dobereiser's experiments of the con- 

 tortion of platina wire by a stream of hydrogen gas. 



By Will. Cecil, M.A. (Magd.) : Exhibition of a model of an improved ear- 

 trumpet. 



