This section is from the book "Complete Self-Instructing Library Of Practical Photography", by J. B. Schriever. Also available from Amazon: Complete Self-Instructing Library Of Practical Photography.
Sepia Or Vandyke Brown Tones. Without previously washing the prints place them one at a time in the following plain hypo fixing bath and allow to remain for at least 15 minutes:
Hypo......................................... | ...1 oz. |
Water........................................ | .20 ozs. |
The longer the cards are allowed to remain in the hypo, the deeper the tone. After fixing, wash in the usual manner. They are then ready for drying.
Ready Sensitized Self-Toning Post Cards. Post card stock, as you have learned in previous instruction is furnished already sensitized by most manufacturers of printing-out paper. While these cards are printed and toned exactly as any printing-out paper, it will be well to digest the following simple instruction.
Printing. Print until all detail is out, or about two shades deeper than the finished print.
Washing. Wash in six changes of water, separating the cards thoroughly in each change of water.
Fixing. Hypo bath - 4 ounces of hypo crystals to 32 ounces of water, or 30 grains hydrometer test. Fix for 20 minutes.
Washing. Wash one hour in running water, or 16 changes by hand, separating the cards thoroughly in each water. Dry in the usual manner. You will note there is no toning bath used. The toning takes place in the wash water and in fixing, the tone produced being a carbon sepia. Rich purple tones may be produced by following instructions for gold paper. (See Vol. I, Chapter XVIII (Factorial Development) (Difficulties - Sepia And Purple Tones).)
 
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