Referee's report by Alexander Blackie William Kennedy, on a paper 'A throw-testing machine for reversals of mean stress' by Osborne Reynolds and J H Smith Sectional Committee: Physics and Chemistry Recommended for publication in Philosophical Transactions, in full. The authors might be asked to add paragraphs comparing the minimum fracturing range of stress with the range for zero to the ordinary limit sufficiently accurately. The illustrations and curves should be reproduced. [Published in Philosophical Transactions A, 1902]. Endorsed on verso as received 7 April 1902. 7 April 1902