Copy letter from Herbert Rix, to H S A Foy, 439 New Cross Road, S E 'Dear Sir, In answer to your note of the 27th inst. [instant], the Royal Society is entirely engaged with mathematical and physical science, and the subject upon which you propose to discourse is quite outside their range. I am, yours truly, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 29 January 1894