 | Samuel Pierpont Langley - 1884 - 344 σελίδες
...Illustrating Principle of Transformation from the Prismatic to the Normal Spectrum. Let л, fig. 20, be a very small wave-length interval on the prismatic...portion of the total area included between these limits; efis a portion of the curve EF, fig. 19. Then according to the condition of transformation cd = ab... | |
 | 1884 - 636 σελίδες
...EF, and upon CD draw the curve of distribution of energy in the prismatic spectrum. Let a, fig. 3, be a very small wave-length interval on the prismatic...normal scale, and b and d the average heights of the energy-curves over the two intervals respectively ; the shaded part of the figure representing therefore... | |
 | 1884 - 1100 σελίδες
...EP, and upon CD,rdraw the curve of distribution of energy in the prismatic spectrum. Let a, fig. 3, be a very small wave-length interval on the prismatic...scale ; c, the same interval on the normal scale, and 4 and d the average heights of the energy curves over the two intervals, respectively ; the shaded... | |
 | Clyde Anson Morley - 1926 - 84 σελίδες
...wave-length, at right angles to the same wavelength ordinates of the prismatic curve. let a, Figure 6, be a very small wave-length interval on the prismatic...curves over the two intervals, respectively. The shaded portion -20of the figure represents the part of the total area included between these limits. od '•... | |
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Fig. 4, be a very small wave-length interval on the prismatic scale ; c, the same interval on the normal scale, and b and d the average heights of the energy curves over the two intervals, respectively ; the shaded part of the figure representing, therefore,... 