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.
Temperature. - Normal, 65 ° to 700 Fahr. Higher temperature, intensity and likely fog. Lower temperature: flatness, lack of snap.
Drying; Negatives. - The warmer and closer the atmosphere in which the negative is dried, the more dense it becomes. Wherever possible, negatives should be dried with an electric fan, or under some breeze. The quicker they dry, within limit, say within a few hours, the finer the grain will be.