Referee's report by Charles Edward Inglis, on a paper 'The motion of a rotor carried by a flexible shaft in flexible bearings' by David Macleish Smith Sectional Committee: Engineering Sciences Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests some minor omissions. The deductions are qualitative rather than quantitative. The paper is important and provides new knowledge. [Published in the 'Proceedings of the Royal Society of London' A, 1933] Endorsed on verso as received 27 June 1933. 25 June 1933