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 32
28 … Experiments IV. In the first series of experiments the colours were 171 dap and subjected to conditions similar to those to which pictures are sun light. subjected, but to an exaggerated extent. The experiments were carried out as follows : two strips of the coloured paper cut from the same sheet…
Watercolor painting · Light
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
