Referee's report by Joseph John Thomson, on a paper 'On some phenomena in vacuum-tubes' by David Salomons Not recommended for publication in the Proceedings of the Royal Society of London. The experiments do not go far enough. Provides a list of points which might have been discussed in the paper. Suggests further experiments be conducted. Subject: Physics and Chemistry [Published in the 'Proceedings of the Royal Society of London', 1894] 4 February 1894