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Manuscript/Mixed MaterialImage 1 of Article by Alexander Graham Bell, April 10, 1891 1 1910, March 22, Beinn Bhreagh Recorder EDITORIAL AND ARTICLES ON THE POSSIBILITY OF SEEING BY ELECTRICITY By Alexander Graham Bell (The following article was dictated by Dr. Bell April 10, 11,...
- Contributor: Bell, Alexander Graham
- Date: 1891-04-10
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Manuscript/Mixed MaterialImage 2 of Article by Alexander Graham Bell, April 10, 1891 2 When we analyze white light by means of a prism, we obtain a colored spectrum indicating the simultaneous presence, in the matter of the luminiferous medium, of multitudinous vibrations, or tremors,...
- Contributor: Bell, Alexander Graham
- Date: 1891-04-10
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Manuscript/Mixed MaterialImage 3 of Article by Alexander Graham Bell, April 10, 1891 3 do for the ear. Should it not be possible to see by telegraph; and obtain, upon a moving cylinder, a record of things seen, from which record the moving scenes should...
- Contributor: Bell, Alexander Graham
- Date: 1891-04-10
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Manuscript/Mixed MaterialImage 4 of Article by Alexander Graham Bell, April 10, 1891 4 Picture to yourself the vibrations that are going on. An impulse of the agitated medium strikes the image of Liberty on the top of the Capitol; and, rebounding, is transferred by...
- Contributor: Bell, Alexander Graham
- Date: 1891-04-10
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Manuscript/Mixed MaterialImage 5 of Article by Alexander Graham Bell, April 10, 1891 5 in the space occupied by the point of the recording or reproducing style; and the style copies approximately, not the motion of a single particle, but the mean motion of all...
- Contributor: Bell, Alexander Graham
- Date: 1891-04-10
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Manuscript/Mixed MaterialImage 6 of Article by Alexander Graham Bell, April 10, 1891 6 in the electrical circuit, correspond in character to those disturbances of the luminiferous medium that constitute the light; just as the electrical disturbances in a telephone circuit correspond in character to...
- Contributor: Bell, Alexander Graham
- Date: 1891-04-10
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Manuscript/Mixed MaterialImage 7 of Article by Alexander Graham Bell, April 10, 1891 7 The effect might be much feebler; but the frequencies of the vibrations would be the same, and the relative amplitudes of the successive vibrations should be copied, though not the absolute...
- Contributor: Bell, Alexander Graham
- Date: 1891-04-10
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Manuscript/Mixed MaterialImage 8 of Article by Alexander Graham Bell, April 10, 1891 8 so that the experiment might be tried without either a voltaic battery or a charge condenser — a simple circuit might be sufficient. April 13, 1891 :— Should it be found...
- Contributor: Bell, Alexander Graham
- Date: 1891-04-10
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Manuscript/Mixed MaterialImage 9 of Article by Alexander Graham Bell, April 10, 1891 9 and experiments in the past have demonstrated the fact that it can be used in place of selenium in an electrical radiophone.
- Contributor: Bell, Alexander Graham
- Date: 1891-04-10