Referee's report by George Carey Foster, on a paper 'On certain molecular changes which occur in iron and steel during the separate acts of heating and cooling' by Professor Norris Not recommended for publication in the 'Philosophical Transactions of the Royal Society'. The meaning is difficult to make out and the value of the evidence and conclusions is difficult to determine. Does not consider himself to have enough knowledge of iron and steel to determine if the conclusions are favourable. Subject: Physics and Chemistry [Published in the 'Proceedings of the Royal Society of London', 1878] 3 January 1878