The silver sunbeam : a practical and theoretical text-book on sun drawing and photographic printing (1873)
Towler, John, 1811-1889 · New York : E. & H.T. Anthony · leaf 594
556 DEFECTS AND KEMEDIES. which reduces a little of the nitrate of silver to the state of oxide of silver. This attaches itself to the film and produces sometimes one kind of marking and sometimes another. The remedy in this case would seem to be to increase the acidity of the bath. As the larger… … Defects in Paper Prints. 1. Weak Prints. — Nega- Fipr. 44. tive too thin — remedy, make silver bath strong and print in the shade. The use of nitrate of mag- nesia or nitrate of alumi- na in connection with ni- trate of silver facilitates the printing of weak neg- atives. 2. Harsh Black and White…
Photography
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