Referee's report by William Cawthorne Unwin, on a paper 'Note on the instability of India-rubber tubes and balloons when distended by fluid pressure' by Henry Reginald Arnulph Mallock Does not give a definite decision on publication. He has 'not a high opinion' of the paper. The point made by the author is not very important. Subject: Physics [Published in Proceedings of the Royal Society, 1890]. 17 April 1891