Referee's report by Ernest Frederick Relf, on two papers 'Fluid friction between rotating cylinders I—Torque measurements' and 'Fluid friction between rotating cylinders II—distribution of velocity between concentric cylinders when outer one is rotating and inner one is at rest' by Geoffrey Ingram Taylor Sectional Committee: Mathematics Recommended for publication in the 'Proceedings of the Royal Society of London'. Refers to work of Farrier. The appendix appears to be missing. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 10 September 1936. [September 1936]