Description | Rayleigh wishes to apply for a loan of 70 mgrms of radium chloride belonging to the Royal Society, which is at present in the hands of [Joseph John] Thomson. He wants to use the radium as a source of radium emanation, in order to examine the official spectrum of gases excited by the radiations. He explains that he wishes to dissolve the material in water, in accordance with the usual practice and asks permission to do this. |