Copy letter from Herbert Rix, to Lord Rayleigh [John William Strutt], Secretary, Royal Society 'Soirée The exhibit which Mr A E Griffiths wishes to show appears to be very similar to Mr [Hugh Longbourne] Callendar's exhibit of last year. Enclosed is his letter and a cutting from last year's Soirée programme. Please say if we shall proceed with it. Enclosed also is the offer of a goniometer, and a request for cards - for your instructions what to do. Yr. [Your] obedient servant, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society] T.E.J'. [20 April 1894]