Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to W. J. Hancock Esq.; Forrest Avenue, Perth, Western Australia Acknowledges the receipt of W. J. Hancock's paper 'The Super Spectrum', but notes that the Royal Society must wait for it to be communicated through a Fellow (either Sir Herbert Jackson or Professor [Frederick] Soddy here) before they can formally receive it. 27 March 1925