Cantor lectures on recent advances in photography (1882)
Abney, William de Wiveleslie, Sir, 1843-1920, author, Society for the Encouragement of Arts, Manufactures, and Commerce (Great Britain) · London : Printed by William Trounce · leaf 14
t come before us, and the main principle I think that is a very excellent illustration of involved is the principle of work. When you the work done by radiation. I propose now to have what you call light radiating from a source, be it the sun or be it a gas flame pass two or three films through the… … be shown by the heating the glass, or else the expect to be done with them. First, we have a: energy must be exhausted by doing chemical film of chloride of silver (II.), and you will see work upon the substance on which it acts. that the violet part of the spectrum towards The effect then, is this…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
