On the chemical action of the rays of the solar spectrum. . . .
London: 1840. 1st edition. "Positive" & "Negative" Herschel, John F. W. (1792-1871). On the chemical action of the rays of the solar spectrum on preparations of silver and other substances, both metallic and non-metallic, and on some photographic processes. In: Philosophical Transactions (1840),part 1, pp. 1-59; 2 plates (nos. I-II)..... More