Referee's report by Sydney Chapman, on a paper 'Hamilton's Principle and the field equation' by D Meskyn Sectional Committee: Mathematics Not recommended for publication in the 'Proceedings of the Royal Society of London'. The results are correct but do not advance any new knowledge. Refers to work of James Clerk Maxwell. 'I do not think the author's reputation would gain by the publication of this paper'. [Not published] Endorsed on verso as received 12 October 1929. [October 1929]