Copy letter from Herbert Rix, to Mr D Nutt, 270 Strand, W.C. Rix finds Nutt's account of December 1894 which was paid January 1895 was not carefully examined before payment and two books charged to the Society were not supplied; Voigt's 'Theoret. Physik.', and Chauveau's 'Gasmaschinen'. These were sent on approbation but not retained, asks so be credited 28 shillings. 26 March 1895