 Bunsen's lamp threw the bright sodium lines upon the solar spectrum with unexpected 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...  The Richmond Medical Journal - Pàgina 1451866Visualització completa - Sobre aquest llibre
 | National Sunday school union - 1871 - 598 pàgines
...metallic base of common salt), and found that the dark lines were replaced by bright ones ; and wishing to find out the extent to which the intensity of the...increased without impairing the distinctness of the bright sodium lines, he allowed the full sunlight to shine through the sodium flame, and the effect... | |
 | Gustav Robert Kirchhoff - 1862 - 62 pàgines
...The flame of a Bunsen's lamp threw the bright sodium lines upon the solar spectrum with unexpected brilliancy. In order to find out the extent to which...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... | |
 | Howard Townsend - 1864 - 254 pàgines
...The flame of a Bunsen's lamp threw the bright sodium lines upon the solar spectrum with unexpected brilliancy. In order to find out the extent to which...without impairing the distinctness of the sodium lines I allow the full sunlight to shine through the sodium flame and to my astonishment, I saw that the dark... | |
 | 1865 - 384 pàgines
...The flame of a Bunsen's lamp threw the bright sodium lines upon the solar spectrum with unexpected brilliancy. In order to find out the extent to which...sunlight to shine through the sodium flame, and to iny astonishment I saw that the dark uues D appeared with an extraordinary degree of clearness. I then... | |
 | 1865 - 778 pàgines
...ones. The flame of Bunson's lamp threw the bright sodium lines upon the solar spectrum, with unexpected brilliancy. In order to find out the extent to which the intensity of the aolar spectrum could be increased, without impairing the distinctnesss of the sodium lines, I allowed... | |
 | Henry Watts - 1868 - 1170 pàgines
...The flame of a Bunsen's lamp threw the bright sodium-lines upon the solar spectrum with unexpected brilliancy. In order to find out the extent to which the intensity of thes >lur spectrum could be increased, without impairing the distinctness of the sodium-lines, I allowed... | |
 | John Henry Pepper - 1869 - 722 pàgines
...into bright ones. The flame of a Bunsen's lamp threw the bright sodium lines upon the solar spectrum. In order to find out the extent to which the intensity...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... | |
 | Henry Watts - 1869 - 1214 pàgines
...The llame of a Bunsfu's lamp threw the bright sodium-lines upon the solar spectrum with unexpected brilliancy. In order to find out the extent to which...increased, without impairing the distinctness of the sodium-lines, I allowed thu full sunlight to shine through the sodium-flame upon the slit, and, to... | |
 | Lucius Edwin Smith, Henry Griggs Weston - 1870 - 528 pàgines
...The flame of a Bunsen's lamp threw the bright sodium lines upon the solar spectrum with unexpected brilliancy. In order to find out the extent to which...intensity of the solar spectrum could be increased without imparing the distinctness of the sodium lines, I allowed the full sunlight to shine through the sodium... | |
 | Richard Anthony Proctor - 1871 - 550 pàgines
...The flame of a Bunsen's lamp threw the bright sodium lines upon the solar spectrum with unexpected brilliancy. In order to find out the extent to which...and, to my astonishment, I saw that the dark lines ri appeared with an extraordinary degree of clearness.' Let the full force of this result be recognised... | |
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