Referee's report by Hugh Longbourne Callendar, on a paper 'The thermal expansion of pure nickel and cobalt' by Alfred Edwin Howard Tutton Recommended for publication in the Proceedings of the Royal Society of London. An abstract will be sufficient. The paper is long and repetitious. Subject: Physics / Chemistry [Published in the 'Proceedings of the Royal Society of London'] Endorsed on recto as received 1 May 1899. [May 1899]