Flame, Electricity And the Camera; Man's Progress From the First Kindling of Fire to the Wireless Telegraph And the Photography of Color
The book Flame, Electricity And the Camera; Man's Progress From the First Kindling of Fire to the Wireless Telegraph And the Photography of Color was written by author Iles, George, 1852-1942 Here you can read free online of Flame, Electricity And the Camera; Man's Progress From the First Kindling of Fire to the Wireless Telegraph And the Photography of Color book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Flame, Electricity And the Camera; Man's Progress From the First Kindling of Fire to the Wireless Telegraph And the Photography of Color a good or bad book?
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354. 228 AN INHERITED INTEREST 229 1 86 1 he devised an electrical instrument which transmitted not only music but also vowel sounds, although not in a sufficiently clear and reliable way to be accounted a suc- cess. The goal which Reis so narrowly missed took on a new accessibility when Helmholtz completed his masterly analysis of vowel sounds. With nothing more than a hol- low sphere he resolved a, e, i, o, and u into their constituent musical elements, much as Newton with a simple prism had ...divided a beam of white Hght into its component coloured rays. Armed with a series of tuning-forks, actuated by electricity, he proceeded to prove his analysis true. Unit- ing a series of fundamental tones, he reproduced the vowels with unmistakable clearness. The possibility that articulate speech flight be committed to an electric wire and recovered from it now plainly pic- tured itself in the imagination of three great inventors — Elisha Gray, Alexander Graham Bell, and Thomas Alva Edison. Inasmuch as Bell, by his fortunate choice of an undulatory current, has given the world the best instru- ment, it may be sufficient to confine attention to the steps by which he arrived at his victory.
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