Report to the Science and Art Department of the Committee of Council on Education on the action of light on water colours : presented to both Houses of Parliament by command of Her Majesty (1888)

Russell, William James, Abney, William de Wiveleslie, Sir, 1843-1920, Great Britain. Department of Science and Art · London : Printed for H.M.S.O. by Eyre and Spottiswoode · leaf 74

An illustration from Report to the Science and Art Department of the Committee of Council on Education on the action of light on water colours : presented to both Houses of Parliament by command of Her Majesty, 1888, leaf 74 — 7u curve by three. Thus at 9 a.iu. oil the 21st of August the height of the curve is 7,860 ; this gives a cnndle power of sunlight at that day and hour of 2,620. Fig. XII. … H0UR.AM. 5 6 7 B B 10 II ROON. ! 2 3 5 RM. The following table "gives the numerical results of the diagram. As before said these have been multiplied by three in the latter. Illuminating Value in Candles oe Sunlight falling ON A Vektical Subface facing 20° E. of N. ! 4 3 2 4 1 11 10 7 8 9 G 5 Noon.…

Watercolor painting · Light

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Report to the Science and Art Department of the Committee of Council on Education on the action of light on water colours : presented to both Houses of Parliament by command of Her Majesty (1888)

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