Copy letter from Herbert Rix, to Madame Kropotkin, 13 Woodhurst Road, Acton, W. 'Dear Madam Kropotkin, I am much obliged to you for so kindly and freely making the translation for which we asked. I make bold nevertheless to inclose a postal order for 2/6, the fee which the Treasurer suggested for the work. In these hard times every little helps. I am, yours truly, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 30 July 1894