Audiovisual introductions in 1877

thumb|A typical modern component turntable, showing the curved tonearm with a headshell at the end, under which lies the magnetic cartridge and its attached stylus touching down on the grooves of a black record placed on the turntable's platter

medium for recording and reproducing sound

thumb|right|An 1879 illustration of a praxinoscope thumb|250px|A projecting praxinoscope, 1882 right|300px|thumb|The Théâtre Optique, 1892. This ultimate elaboration of the device used long strips with hundreds of narrative images.