Letter from Congrés International de Physique, Paris, to the President of The Royal Society Informs about an upcoming international congress in Paris under the auspices of the Société française de physique. The congress will coincide with the World Expo and will provide physicists with diverse and interesting topics. Requests the President of the Royal Society to share the enclosed circular [enclosure present] with their society and draw the attention of colleagues to the event. 17 July 1899