Pringle, Andrew · New York : Scovill & Adams Company of New York · leaf 66
but will emerge clear from the hypo solution. Mr. Cowan even recommends over-development and reduction, after fixing and washing, in the perchloride of iron reducer given under gelatine-bromide on page 52. Gelatine-chloride emulsion produced by such a formula as we have given may be made much more…
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