Young, Charles A. (Charles Augustus), 1834-1908, Young, Anne Sewell, b. 1871., ed · Boston, New York [etc.] Ginn and Company · leaf 151
e will be three bright lines. If the light comes froma luminous solid, like the lime cylinder of a calcium light, orthe filament of an incandescent lamp, or from an ordinarygas or candle flame (Physics, p. 318), there will be an infinitenumber of these slit images close together, without intervalor… … Grating Direct-Vision SpectroscopeFig. 52.* — Different Forms of Spectroscope. vapor of some volatile metal, the spectrum will consist of aseries of bright lines, or bands. 194*. The Solar Spectrum. — If we look at sunlight, eitherdirect or reflected (as from the moon), we get a spectrum,…
Astronomy · Constellations
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