Hunt, Robert, 1807-1887, author, Contained in (work): Hunt, Robert, 1807-1887. Manual of photography · London ; Glasgow : Richard Griffin and Company · leaf 81
C7 EIXIXG THE DAGUERREOTYPE IMAGE. dark parts. The mercury, on the contrary, which, in the state of an infinite number of small globules, forms the lights, is augmented in its solidity and brightness by its union with the gold, from which results a great degree of permanency, and a remarkable… … lation. Other modes for giving perma- nency to the Daguerrean image have been adopted, but none of them have been so thoroughly successful as those. The apparatus for the Daguerreotype shown in fig. 36 may be enumerated with advantage. a. Is the camera obscura, with the screen upon which the image…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
