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
unctions of two dissimilarmetals (there are ten pairs of antimony and bis-muth in the above instrument) produces a feeblecurrent of electricity, which, however, is sufficientto cause a deflection to the suspended needle ofa delicate galvanometer. To the needle is attacheda mirror weighing a…
Color
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