The spectroscope and its applications / by J. Norman Lockyer.

Date:
1873
Catalogue details

Licence: Public Domain Mark

Credit: The spectroscope and its applications / by J. Norman Lockyer. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    LECTURE III. Absorption of light, 79.—Effect of media on light, 81.—Practical applications of phenomena of absorption, 82.—Absorption spectra of various substances, 82.—Spectrum of blood, 85.—Spectra of wines, 87.—Of leaves, 88.—Connection between radiation and absorption, 89.—The lines of the solar spectrum, 90.—Law of absorption of gases and vapours, 91.—Registering-scales of spectra, 92.—Kirchhoff and Bunsen's experiments, 92.—Lines in the spec- trum, 97.—Absorbing power of gases and vapours, 97.—Atmosphere of the sun, 98.—The sun's limb and spots, 99.—Aldebaran and a Orionis, loo. —Nature of sun-spots, 102.—General absorption, 105. —Selective absorption, 106.—Magnesium lines in the solar spectrum, 108.—Spectrum of t Coronae, 109.—Meteorology of the sun and velocities of stars, no.—Solar prominences, 115.—Future of the spectroscope, 117,