Abstract
OUR first words must be to congratulate Prof. Vogel that he has recovered from the illness that has delayed for three years the completion of this section of the new edition of his “Handbuch der Photographie” The part now issued is the first part of the third volume, and deals with photographic studios and apparatus (excluding lenses, which are treated of in a previous volume) and the negative processes with collodion and with gelatine emulsions. The chief differences between this and the previous edition are that the practice of photography is now regarded from a general rather than from a merely “professional” point of view, portable apparatus and shutters being considered, and that chapters are given on the use of colour sensitised plates and film photography. Collodion, on account of its continued application in the reproduction processes, retains the premier position; gelatine following with about the same number of pages devoted to it. Considering the space given to the various branches of the subject, it is surprising that some of the most important advances made during the last ten years or so are not represented. We refer to advances of immediate practical importance, such as the methods of determining the exposure required, recent methods of determining the sensitiveness of plates, and the efficiency of shutters. Intensification also is dealt with in a very inadequate manner. But looking at the volume as a whole, it is a valuable addition to photographic literature, and the opinions and preferences of its distinguished author must always be of interest to English students.
Die Photographische Praxis.
Part i. By Prof. H. W. Vogel. (Berlin: Gustav Schmidt, 1897.)
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Die Photographische Praxis. Nature 57, 462 (1898). https://doi.org/10.1038/057462b0
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DOI: https://doi.org/10.1038/057462b0