Excerpt from Chemistry for Photographers
The purpose of the following pages is two-fold. First, the chemical principles whose application forms the foundation of the photographic art are set forth in a manner which it is thought will prove both intelligible and interesting. In order to fix these principles in the reader's mind and at the same time to aid him in the acquisition of a better chemical technique, the subject matter has been so arranged as to permit the introduction of a series of illustrative experiments.
Second, without in any way interfering with the foregoing intent, it has been possible to add very materially to the practical value of the book by incorporating much useful chemical and photographic information in the way of solubilities, formulas, etc. This information has been so simplified and tabulated as to make it exceptionally convenient for reference purposes.
To make special acknowledgment of each of the authorities, chemical and photographic, which must be consulted in the preparation of such a volume as the present one would be both cumbersome and superfluous. The literature of the subject, technical as well as popular, has been freely utilized, and the author would here express his indebtedness to all the writers and investigators whose work has been of so much assistance, but whose names it is impossible to enumerate.
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