A Manual Of Photography

PREFACE. The rapidity with which the second edition of this work has been exhausted, is a most satisfactory proof 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 in its very beautiful phenomena. In the present edition a new system of arrangement has been adopted, which will; it is thought, prove generally con- venient. The first division contains the history of the progress of Photographie discovery, in which the greatest care has been taken to ensure exactness, and to give to eacli 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; 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 upon frequent failures, and probably advance himself in the path of new discovery. The manipu latory details, given with al1 necessary minuteness, are included in the third division. A very large portion of the present volume consists of new matter—the Waxed Paper and the Collodion 1 recessen, amongst other, sections, may be referred to ; and the appended chapter,