Referee's report by Frank Edward Smith, on a paper 'Contact of flat surfaces' by F H Rolt and H Barrell Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. At first considered the paper too detailed, but realised the detail was necessary for the paper to be of value to practical workers. [Published in the 'Proceedings of the Royal Society of London' A, 1927] Endorsed on verso as received 18 July 1927. [July 1928]