 ... (in some form, possibly in combination with hydrogen), which I observed in the spectra of the telescopic comets of 1866 and 1868. In the continuous spectrum shown in the photograph, the dark lines of Fraunhofer can be seen. This photographic evidence...  The Observatory - Seite 2331881Vollansicht - Über dieses Buch
 | Sir Norman Lockyer - 1881 - 658 Seiten
...of 1866 and 1868. In the continuous spectrum shown in the photograph, the dark lines of Fraunhofer can be seen. This photographic evidence supports the...too faint to allow the Fraunhofer lines to be seen. Postscript, July 9, 1881. — I have since measured the photographs of the comet's spectrum, and I... | |
 | Sir Norman Lockyer - 1881 - 664 Seiten
...obtained with an exposure of an hour and a half. This photograph, notwithstanding the longer exposure, as fainter, but shows distinctly the two bright lines...too faint to allow the Fraunhofer lines to be seen. Postscript, July 9, 1881. — I have since measured the photographs of the comet's spectrum, and I... | |
 | 1882 - 340 Seiten
...of 1866 and 1868. In the continuous spectrum shown in the photograph, the dark lines of Fraunhofer can be seen. This photographic evidence supports the...too faint to allow the Fraunhofer lines to be seen. Postscript, July 9, 1881. I have since measured the photographs of the comet's spectrum, and I find... | |
 | Royal Society (Great Britain) - 1882 - 588 Seiten
...dark lines of Frannhofer can be seen. This photographic evidence supports the results of my previons observations in the visible spectra of some telescopic...too faint to allow the Fraunhofer lines to be seen. (Postscript, July 9, 1881.) I have since measured the photographs of the comet's spectrum, and I find... | |
 | British Association for the Advancement of Science - 1882 - 1050 Seiten
...lines, but the photograph is not strong enough to admit of any certain conclusion on this point. On June 25, a second photograph was obtained with an...longer exposure, is fainter, but shows distinctly the bright lines in the ultra-violet, and the continuous spectrum. These photographs confirm the results... | |
 | Royal Society (Great Britain) - 1882 - 584 Seiten
...of 1866 and 1868. In the continuous spectrum shown in the photograph, the dark lines of Fraunhofer can be seen. This photographic evidence supports the...too faint to allow the Fraunhofer lines to be seen. (Postscript, July 9, 1881.) I have since measured the photographs of the comet's spectrnm, and I find... | |
 | Royal Society (Great Britain) - 1881 - 630 Seiten
...of 1866 and 1868. In the continuous spectrum shown in the photograph, the dark lines of Fraunhofer can be seen. This photographic evidence supports the...continuous spectrum, which is too faint to allow the Frannhofer lines to be seen. (Postscript, July 9, 1881.) I have since measured the photographs of the... | |
 | 1881 - 504 Seiten
...comets of 1866 and 1868. In the continuous spectrum shown in the photograph the dark lines of Fraunhofer can be seen. This photographic evidence supports the...continuous spectrum, which is too faint to allow the Praunhofer lines to be seen. Postscript, July 9, 1881. — I have since measured the photographs of... | |
 | Sir Norman Lockyer - 1881 - 710 Seiten
...of 1866 and 1868. In the continuous spectrum shown in the photograph, the dark lines of Fraunhofer can be seen. This photographic evidence supports the...too faint to allow the Fraunhofer lines to be seen. Postscript, July 9, 1 88 1. — I have since measured the photographs of the comet's spectrum, and... | |
 | 1881 - 498 Seiten
...comets of 1866 and 1868. In the continuous spectrum shown in the photograph the dark lines of Fraunhofer can be seen. This photographic evidence supports the...the two bright lines and the continuous spectrum, whieh is too faint to allow the Fraunhofer lines to be seen. Postscript, July 9, 1881. — I have since... | |
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