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Books Books 1 - 10 of 13 on ... into still water the velocity of the group is less than that of the individual....  
" ... into still water the velocity of the group is less than that of the individual waves of which it is composed ; the waves appear to advance through the group, dying away as they approach its anterior limit. This phenomenon seems to have been first... "
The Theory of Sound - Page 475
by John William Strutt Baron Rayleigh - 1894 - 984 pages
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Proceedings of the American Association for the Advancement of Science

American Association for the Advancement of Science - Science - 1902
...advance through the group and die away at the anterior limit. Stokes has explained this by regarding the group as formed by the superposition of two infinite...equal wave-lengths advancing in the same direction. The mathematical formulation of this phenomenon as thus explained gives a resultant periodic motion...
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Nature, Volume 17

Science - 1878
...away as they approach its anterior limit. This phenomenon seems to have been first explained by Prof. Stokes, who regarded the group as formed by the superposition...equal wave-lengths advancing in the same direction. The writer's attention was called to the subject about two years since by Mr. Froude, and the same...
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An elementary treatise on hydrodynamics and sound

Alfred Barnard Basset - Hydrodynamics - 1890 - 187 pages
...the individual waves of which it is composed. This phenomenon was first explained by Sir G. Stokes1, who regarded the group as formed by the superposition...two infinite trains of waves of equal amplitudes and nearly equal wave lengths, advancing in the same direction. 1 Smith's Prize Examination, 1876; and...
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The Theory of Light

Thomas Preston - Light - 1890 - 574 pages
...the group, dying away as they approach its anterior limit. Stokes first explained this by regarding the group as formed by the superposition of two infinite trains of waves, of equal amplitude and of nearly equal wave lengths, advancing in the same direction, and the same explanation...
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The Theory of Light

Thomas Preston - Light - 1895 - 574 pages
...group, 'lying away as they approach its anterior limit. Sir GG Stokes first explained this by regarding the group as formed by the superposition of two infinite trains of wives, of equal amplitude, and of nearly equal wave lengths, advancing in the Ğme direction, and the...
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Proceedings of the American Association for the Advancement of Science

American Association for the Advancement of Science - Science - 1902
...advance through the group and die away at the anterior limit. Stokes has explained this by regarding the group as formed by the superposition of two infinite...equal wave-lengths advancing in the same direction. The mathematical formulation of this phenomenon as thus explained gives a resultant periodic motion...
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Summarized Proceedings ... and a Directory of Members

American Association for the Advancement of Science - Science - 1902
...has explained this by regarding the group as formed by the superposition of two infinite trains ot waves of equal amplitudes and of nearly equal wave-lengths advancing in the same direction. The mathematical formulation of this phenomenon as thus explained gives a resultant periodic motion...
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Physical Optics

Rob. W. Wood - Physical optics - 1905 - 546 pages
...a velocity less than that of the individual waves The explanation of the phenomenon was first given by Stokes, who regarded the group as formed by the superposition of two infinite trains of waves, of slightly different wave-length, which advanced in the same direction but with different velocities....
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Physical Optics

Robert Williams Wood - Physical optics - 1911 - 705 pages
...velocity less than that of the individual waves. The explanation of the phenomenon was first given.by Stokes, who regarded the group as formed by the superposition of two infinite trains of waves, of slightly different wave-length, which advanced in the same direction but with different velocities....
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The Messenger of Mathematics, Volumes 6-7

1877
...away as they approach its anterior limit. This phenomenon seems to have been first explained by Prof. Stokes, who regarded the group as formed by the superposition...equal wave-lengths advancing in the same direction. The writer's attention was called to the subject about two years since by Mr. Froude, and the same...
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