Copy letter from Herbert Rix, to Professor Sivanus Phillips Thompson, Fellow of the Royal Society 'Soirée Dear Sir, Yes, you can have the bay containing spiral staircase. We can give you that on the left side of the room. Please do not forget to send in particulars of your exhibit. We have not had it yet. Yrs faithfully, H Rix Asst. Sec. RS. [Assistant Secretary, Royal Society]'. [6 June 1891]