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Practice Listening: Fill in the Blanks (Type In)
ID: #52493
Short
The Spectroscope
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The Spectroscope is an instrument by which the colours of the rays are separated and viewed, as well as those of other incandescent bodies. By it, not only the elements of the bodies have been determined, but remarkable results have been had in analysing well-known and discovering new ones. Its powers and its principles have been so developed during the century by the discoveries, and investigations of Herschel, Wollaston, Fraunhofer, Bronsen and Kirchoff, Steinheil, Tyndall, Huggins, Draper and others, that spectrum analysis has grown from the separation of into its colours by the prism of Newton, to what Dr. Huggins has aptly termed "a new sense."
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