Copy letter from Herbert Rix, to Professor Osborne Reynolds, Fellow of the Royal Society 'Dear Sir, I am very sorry you should have been put to so much inconvenience. The photographer we employed is Mr H.C. Hounslow, 31 Lynton Road, Crouch End, London, N. I have now written him a sharp letter, informing him that if the photograph is not delivered in the course of the present week, we shall get the MS. [manuscript] photographed elsewhere and he will have to bear the loss. I am, yours truly, Herbert Rix Asst. Sec. RS. [Assistant Secretary, Royal Society]'. 3 February 1892