Referee's report by Ernest Rutherford, Baron Rutherford of Nelson, on a paper 'The observation by means of a string electrometer of fluctuations in the ionisation produced by ?-rays' by Thomas Howell Laby and P W Burbidge Sectional Committee: Physics and Chemistry Recommended for publication in the 'Proceedings of the Royal Society of London'. Considers the authors to be at a disadvantage in geographical distance, and have only recently learnt of advances made in Europe. Refers to work by Stefan Meyer and Norman Campbell. Suggests omitting the description of the string electrometer. [Published in the 'Proceedings of the Royal Society of London', 1912] Endorsed on verso as received 9 February 1912. [February 1912]