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The Tannin Process

SINCE the publication of the first edition the process described in it has been greatly improved. The substratum of gelatine may now be dispensed with, far greater sensitiveness can be obtained, and, which is more important, landscape views can at the same time be produced of better quality.

The process as managed at first had one serious fault, which rendered it less suitable for ordinary landscapes than for some other kinds of subjects ; the use of tannin is, however, attended by many and great advantages, and the author has used his best endeavours to find the means of correcting the fault alluded to, and to improve the process in other respects. He hopes that it will now be found to be more generally useful.
For the original ideas which have led to some of the greatest improvements the writer is indebted to the experience of others.

The contents of the first edition have been carefully revised and in great part re-written, and much new matter has been added. Perhaps the most important addition is a way of working in which considerable advantages are gained by the use of bromide alone, without iodine or any of its combinations. Many variations in treatment are given to be chosen from, and nearly every means supposed to increase the sensitiveness of dry plates, and many modifications of the tannin process, have been tested and the results described in this edition.

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California : University of California Libraries.,
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iv, 135 p. 17cm
Language
English
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Photography
Photography-- Printing Processes Silver
Printing Processes
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Firli
Source
https://archive.org/search?query=tanninprocess00russiala
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