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Colour vision; being the Tyndall lectures delivered in 1894 at the Royal Institute (1895)

Abney, William de Wiveleslie, Sir, 1843-1920 · New York, W. Wood & Co. · leaf 121

An illustration from Colour vision; being the Tyndall lectures delivered in 1894 at the Royal Institute, 1895, leaf 121
Luminosity of a Feeble Spectrum. lOI are reflected from glass mirrors Mi, Ma to apertures in opposite sides of the box, and from close to these … apertures by the right-angled prisms Pj P2, so as to fall on and cover S. Eods Ri, Kg are inserted in the

Color vision

Internet Archive · Columbia University Libraries · Public domain (published before 1931). Free to use for anything.

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