 ... anywhere in this circle, the image of this source and the different orders of the spectra are all brought to focus on this circle. The word focus is hardly applicable to the case, however, for if the source of light is a point, the light is not brought...  Circulars - Seite 2401882Vollansicht - Über dieses Buch
 | Sir Norman Lockyer - 1882 - 674 Seiten
...source of light is a point, the light is not brought to a single point on the circle, but is drawn out into a straight line with its length parallel to the...as the dust has a different focal length from the lines of the spectrum. This action of the concave grating, however, somewhat impairs the light, especially... | |
 | 1882 - 272 Seiten
...source of light is a point the light is not brought to a single point on the circle but is drawn out into a straight line with its length parallel to the...as the dust has a different focal length from the lines of the spectrum. This action of the concave grating, however, somewhat impairs the light, especially... | |
 | Sir Norman Lockyer - 1882 - 722 Seiten
...source of light is a point, the light is not brought to a single point on the circle, but is drawn out into a straight line with its length parallel to the...as the dust has a different focal length from the lines of the spectrum. This action of the concave grating, however, somewhat impairs the light, especially... | |
 | 1882 - 426 Seiten
...source of light is a point the light is not brought to a single point on the circle, but is drawn out into a straight line with its length parallel to the...as the dust has a different focal length from the lines of the spectrum. This action of the concave grating, however, somewhat impairs the light, especially... | |
 | 1883 - 966 Seiten
...source of light is a point the light is not brought to a single point on the circle but is drawn out into a straight line with its length parallel to the...as the dust has a different focal length from the lines of the spectrum. This action of the concave grating, however, somewhat impairs the light, especially... | |
 | Henry Augustus Rowland - 1902 - 758 Seiten
...source of light is a point the light is not brought to a single point on the circle but is drawn out into a straight line with its length parallel to the...as the dust has a different focal length from the lines' of the spectrum. This action of the concave grating, however, somewhat impairs the light, especially... | |
 | 1882 - 610 Seiten
...source of light is a point, the light is not brought to a single point on the circle, but is drawn out into a straight line with its length parallel to the...as the dust has a different focal length from the lines of the spectrum. This action of the concave grating, however, somewhat impairs the light, especially... | |
 | 1882 - 594 Seiten
...source of light is a point, the light is not brought to a single point on the circle, but is drawn out into a straight line with its length parallel to the...as the dust has a different focal length from the lines of the spectrum. This action of the concave grating, however, somewhat impairs the light, especially... | |
 | Sir Norman Lockyer - 1882 - 720 Seiten
...source of light is a point, the light is not brought to a single point on the circle, but is drawn out into a straight line with its length parallel to the...as the dust has a different focal length from the lines of the spectrum. This action of the concave grating, however, somewhat impairs the light, especially... | |
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