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The chapters to follow are written by Reverend Thomas Frederick Hardwich, a photographic chemist, writer on photographic chemistry, demonstrator, and lecturer in photography at King's College London. The author is indeed an expert in his field, and he shares his knowledge throughout this publication.

Reprint of the original, first published in 1857.

Gives directions for many simple chemistry experiments, including descriptions of necessary equipment, principles, techniques, and safety precautions.

This work is a handbook on photography printing with emphasis on the science behind the process.