Researches in colour vision [electronic resource] : and the trichromatic theory (1913)
Abney, William de Wiveleslie, Sir, 1843-1920, Parsons, John Herbert, Sir, 1868-1957, donor, Institute of Ophthalmology, University College, London. Library Services · London : Longmans, Green and Co. · leaf 95
INTENSITY OF SPECTRUM COLOURS 75 ray issuing from the slit S, and the 3-in. side is vertical (Fig. 24). The bundle is so placed that the whole of the spectrum has to pass through it after it has passed … their edges. Any ray falling on the bundle is divided into two parts ; one is reflected about 90° from its original path and the other passes through it as shown in the same diagram. The silvered mirror M2 reflects the light from the glass bundle on to the screen, and forms a patch which can be…
Ophthalmology · Eye · Color vision · Color Perception
Internet Archive · UCL Library Services, University College London (UCL) · Public domain (published before 1931). Free to use for anything.
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