Copy letter from Herbert Rix, to Professor Joseph Norman Lockyer, Fellow of the Royal Society 'Dear Sir, I am instructed to inform you that the President and Council have appointed you a Member of the Instruments Committee, to consider, in conjunction with Lord Rayleigh and Prof. [Professor] Silvanus Thompson, the best mode of disposing of the instruments at present stored in the Instrument Room. I am, yours truly, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 20 May 1894