Referee's report by Samuel Walter Johnson Smith, on a paper 'A new differential dilatometer for the determination of volume changes during solidification' by C J Smith Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. Comments on the tables and reduction of the figures. [Published in the 'Proceedings of the Royal Society of London' A, 1927] Endorsed on verso as received 21 May 1927. [May 1927]