Paris was clearly the centre of the world in the early days of sound recording. It was there that Leon Scott de Martinville invented his Phonautograph to capture sound onto paper in 1857 and 20 years later Charles Cros took the process forward by working out how to record sound onto a cylinder by tracing oscillations using a screw. In AprilContinue reading “Gathering sounds out of the air. Charles Cros dawdles. Edison dawdles less.”