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 14
10 Fig. V. … VIOLET BLUE CREEN ORANGE RED DARK It will be seen on comparing the two innermost with the outer curve that in the Prussian blue there are very few rays in the red, yellow, and green, v/hich are transmitted and consequently reflected, but that in the dark rays we again have a transmission of…
Watercolor painting · Light
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.