Photoraph courtesy of Letts Collectors' guides Victorian and Edwardian Photographs by Margaret F Harker ISBN 0 85097 369 4
Example of the construction of a typical Ambrotype. The wet collodion negative is mounted with a black background then a vignette mask and then glass. All mounted in a tooled leather holder. The same method of mounting and construction was used to mount Daguerreotypes.

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