Copy letter from Herbert Rix, to Mrs Bristow, 103 Knatchbull Road, Camberwell, S.E. 'Dear Madam, I am exceedingly sorry to hear that Mr Bristow is so seriously ill. I most sincerely trust that the the event will prove better than you fear. I enclose herewith receipt for the cheque which you have been good enough to send, I am, Dear Madam, faithfully yours, Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 8 June 1889