The Theory of Light

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Macmillan and Company, 1890 - 574 pages
 

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Page 18 - Those that are averse from assenting to any new discoveries but such as they can explain by an hypothesis may for the present suppose that, as stones by falling upon water put the water into an undulating motion and all bodies by percussion excite vibrations in the air, so the rays of light...
Page 18 - Stones by falling upon Water put the Water into an undulating Motion, and all Bodies by percussion excite vibrations in the Air, so the Rays of Light, by impinging on any refracting or reflecting Surface, excite vibrations in the refracting or reflecting Medium or Substance, and by exciting them agitate the solid parts of the refracting or reflecting Body, and by agitating them cause...
Page 19 - Is not the heat of the warm room conveyed through the vacuum by the vibrations of a much subtiler medium than air, which, after the air was drawn out remained in the vacuum?
Page 18 - Were I to assume an hypothesis, it should be this, if propounded more generally so as not to determine what light is, further than that it is something or other capable of exciting vibrations in the aether...

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