From Tin Foil to Stereo: Evolution of the PhonographH.W. Sams, 1959 - 524 ページ |
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... phono- graph , the only need was to learn how to indent into an amorphous substance the waveforms of sound so that the process could be reversed by mechani- cal means . In retrospect , it can be seen that a great step in thinking was re ...
... phono- graph , the only need was to learn how to indent into an amorphous substance the waveforms of sound so that the process could be reversed by mechani- cal means . In retrospect , it can be seen that a great step in thinking was re ...
6 ページ
... phono- graph . Could record sound but not reproduce it . ( Courtesy of Smithsonian Institution . ) TA . EDISON . Phonograph or Speaking Machine . Fig. made by Europeans . Duhamel found that he could trace the simple , uniform vibrations ...
... phono- graph . Could record sound but not reproduce it . ( Courtesy of Smithsonian Institution . ) TA . EDISON . Phonograph or Speaking Machine . Fig. made by Europeans . Duhamel found that he could trace the simple , uniform vibrations ...
10 ページ
... phono- graph to be built exclusively for the purpose of sound recording and repro- duction at will . He received his patent No. 200,521 issued Feb. 19 , 1878. ( See Fig . 1-2 . ) This was the tin - foil phono- graph built for Edison by ...
... phono- graph to be built exclusively for the purpose of sound recording and repro- duction at will . He received his patent No. 200,521 issued Feb. 19 , 1878. ( See Fig . 1-2 . ) This was the tin - foil phono- graph built for Edison by ...
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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