Referee's report by Sydney Goldstein, on a paper 'The calculation of variable heat flow in solids' by N R Eyres, Douglas Rayner Hartree, J Ingham, R Jackson, R J Sarjant and J B Wagstaff Sectional Committee: Physics Recommended for publication in the Philosophical Transactions of the Royal Society. Finds some repetition which, although making the paper easier to read, could be pruned. Contains extra question - 'Is there any information contained in the paper which likely to be of value to the enemy?' Referee replies no. [Published in the Philosophical Transactions of the Royal Society] No received date. [1944]