Excerpt from Photography a Treatise on the Chemical Changes Produced by Solar Radiation, and the Production of Pictures From Nature The rapidity with which the second edition Of this work has been exhausted, is a most satisfactory pro - Of that a collection within convenient compass Of all the facts connected with the progress and practice Of Photography, was required by the increasing number of amateurs and artists who are interested 111 its very beautiful phenomena. In the present edition a-new system Of arrangement has been adopted, which will, it is thought, prove generally convenient. The first division contains the history Of the progress Of Photo graphic discovery, in which the greatest care has 'been taken to insure exactness, and to give to each discoverer the full merit Of his labours: the date Of publication being taken in all cases where it could possibly be Obtained. The second division embraces the science Of the art 5 and it is a section to which the attention Of the intelligent student in Photography is particularly directed, as he may, by the know ledge he will thus acquire, relieve himself from many Of the annoyances attendant on frequent failures, and probably advance himself in the path Of new discovery. The manipulatory details, given with all necessary minuteness, are included in the third division. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.