Colour measurement and mixture. Published under the direction of the Committee of General Literature and Education appointed by the Society for Promoting Christian Knowledge (1891)
Abney, William de Wiveleslie, Sir, 1843-1920, Society for Promoting Christian Knowledge (Great Britain). General Literature Committee · London: Society for promoting Christian knowledge; New York, E. & J. B. Young & co. · leaf 39
Fig. 4.—The Thermopile. junctions of the thermopile, within limits whichin these cases are never exceeded, the greateris the current produced, and consequently the COLOUR MEASUREMENT AND MIXTURE. 37 greater is the deflection of the mirror-bearingneedle, and of the beam of light along the scale.In…
Color
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