Beyond the electron / by Sir J.J. Thomson ... a lecture given at Girton college on 3 March, 1928. Thomson, J. J. (Joseph John), 1856-1940. Electrons. Electric waves. QC173 .T46 537.5 THB "This lecture ... was the first of a series of Founders' memorial lectures."--Note. Cambridge : Cambridge University Press, 1929. 1929. 1928 Text 42 p. : eng