Referee's report by Walter Rosenhain, on a paper 'On the effect of the temperature of liquid hydrogen (-252.8° C.) On the tensile properties of forty-one specimens of metals comprising (a) pure iron 99.85%; (b) four carbon steels; (c) thirty alloy steels; (d) copper and nickel; (e) four non-ferrous alloy' by W J De Haas and Robert Abbott Hadfield Sectional Committee: Engineering Sciences Not recommended for publication in the 'Philosophical Transactions of the Royal Society'. Does not think it reaches the desired standard for the Philosophical Transactions, and if published, should be abridged. The data is discussed in a repetitive manner. [Published in the Philosophical Transactions of the Royal Society A, 1934] Endorsed on verso as received 22 May 1933. [May 1933]