 ... brilliancy. In order to find out the extent to which the intensity of the solar spectrum could be increased without impairing the distinctness of the sodium lines, I allowed the full sunlight to shine through the sodium flame, and to my astonishment...  Nature - 89. oldalSzerkesztette: - 1873Teljes nézet - Információ erről a könyvről
 | Robert Routledge - 1896 - 780 oldal
...sodium lines, I allowed the full sunlight to shine through the sodium flame, and, to my astonishmrmt, I saw that the dark lines, D, appeared with an extraordinary degree of clearness. I then exchanged the sunlight for the Drummond's or oxyhydrogen lime-light, which, like that of all... | |
 | Hector Macpherson - 1926 - 220 oldal
...distinctness of the sodium lines, I allowed the full sunlight to shine through the sodium flame, and to my astonishment I saw that the dark lines D appeared with an extraordinary degree of clearness.' Shortly afterwards, Kirchhoff announced the general principles on which spectroscopy is based. A luminous... | |
 | Astronomical Society of the Pacific - 1927 - 1030 oldal
...the sodium lines, I allowed the full sunlight to shine through the sodium flame upon the slit, and, to my astonishment, I saw that the dark lines D appeared with an extraordinary degree of clearness. I then exchanged the sunlight for the Drummond's or oxyhydrogen lime-light, which, like that of all... | |
 | 708 oldal
...of the sodium lines, I allowed the full sunlight to shine through the sodium flame upon the slit and to my astonishment I saw that the dark lines D appeared with an extraordinary degree of clearness." Having made that impressive entry, he goes on a little later in the record of his " Researches " to... | |
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