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.
Fixing Prints. When fixing prints in large quantities, the following method may be used to insure proper fixing: Fix prints face up for about 10 minutes and then turn this particular batch face down. Continue fixing another lot of prints face up for another 10 minutes, and by this time the first batch will be ready to remove from the hypo. The last batch may then be turned face down, and by proceeding in this manner the various batches are easily kept separated. Prints should always be fixed face up, immersing them quickly and thoroughly in the fixing bath.
Mounting And Drying. Prints made on Artura paper are firm, and will not stick to blotters in mounting or drying.
Regular Weight. The regular weight papers may be mounted in the ordinary way from the wash water, or be dried and trimmed and then re-wet and mounted. Regular weight prints can also be backed with Artura Backing Paper. (See backing paper directions, paragraph 1008.)
Extra Heavy. Extra heavy papers may be delivered in folders, or enclosures. They will lay flat, if properly dried. Different methods of drying are used. Some one of the following will be found to be satisfactory:
1014. No. 1. Remove prints from the wash water and allow them to drain. Place them face down on some clean surface until nearly dry. Then lay between blotters, under pressure, until thoroughly dry. Changing the blotters occasionally will hasten the drying.
1015. No. 2. Proceed as in method No. 1 until nearly-dry. Finish drying by running prints through a warm burnisher with a piece of cardboard to protect the surface. Prints dried in this manner may be shaped with a slight backward curl and will remain as shaped. This method may be used to advantage when prints are wanted for quick delivery.
1016. No. 3. Remove prints from the wash water and allow them to drain. Place face down on some clean surface until thoroughly dry. The back of the print should then be moistened by rubbing with a damp (not wet) sponge. It is important to dampen the entire back of the print to the edges, moistening it as evenly as possible. Prints should then be put between blotters, under pressure, until dry.
Backing Heavy Prints. Heavy weight prints intended for delivery unmounted can be backed with a lightweight linen paper without increasing the weight of the print. This will insure flat prints under most trying conditions. A paper suitable for this purpose is Onion Skin linen, which may be procured from any wholesale paper house and many retail book stores. Any strong light weight linen paper will answer the purpose. Prints are first dried flat between blotters. The light-weight linen paper is then cut the desired size, wet, pasted, and placed in position on the back of the dry print. Roll down and finish drying between blotters. The linen paper shrinks in drying and will counteract any curling tendency the paper may have.
 
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