File:The story of the comets - Spectra of Olefiant gas and Winnecke's Comet, 1868.jpg

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English: SPECTRA OF OLEFIANT GAS AND WINNECKE'S COMET, 1868. A, Spectrum of Olefiant Gas; B, Spectrum of Comet.
Date
Source https://en.wikisource.org/wiki/Page:The_story_of_the_comets.djvu/230
Author George Frederick Chambers

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Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:The_story_of_the_comets_-_Spectra_of_Olefiant_gas_and_Winnecke%27s_Comet,_1868.jpg

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SPECTRA OF OLEFIANT GAS AND WINNECKE'S COMET, 1868.

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current08:08, 22 May 2020Thumbnail for version as of 08:08, 22 May 20201,519 × 488 (108 KB)Sp1nd01Uploaded a work by George Frederick Chambers from https://en.wikisource.org/wiki/Page:The_story_of_the_comets.djvu/230 with UploadWizard

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