From Tin Foil to Stereo: Evolution of the Phonograph

1817 LIBRARIES acoustical Alexander Graham Bell aluminum horn apparatus assistance automatons British Patent built CHIGAN chine Columbia Columbia Records Company Compton Mackenzie Courtesy of Edison Cros cylinder December 24 device diaphragm Edison Bell Edison Gem Edison Home Edison Laboratory National Eldridge Johnson Type electrical European filed Gramophone graph Graphophone groove harmonic telegraph historical human voice improved industry interest invention inventor John Kreusi Laboratory National Monument Leonardo da Vinci magnet mechanical Menlo Park ment MICHIGAN motion movement moving surface Murdoch musical original Pathé Phonautograph phono phonograph of 1911 phragm played recording and reproducing repro Scientific American scientists second diaphragm sketches sound recording sound waves Speaking Telephone speech Speiden spring motor story stylus substantially as set Syracuse Syracuse University Talking Machine tape Thomas Alva Edison thread tinfoil phonograph tion tube turntable U. S. Patent Office UNIV UNIVERSITY vibrations Vinci West Orange wire York