Copy letter from Herbert Rix, to Professor William Ramsay, Fellow of the Royal Society At a meeting of the Soirée sub-Committee it was suggested that Mr Collie should be asked to exhibit a portable barometer but Rix was to consult with Ramsay first. Asks if Ramsay thinks it a suitable exhibit to receive. On hearing from Ramsay, Rix will communicate with Collie direct. 5 April 1895