D-19 high contrast black & white developer is well suited for glass plate development. It produces a dense, high contrast negative suitable for printing in alternative processes such as Platinum/Palladium and Albumen, as well as silver gelatin papers. 1 liter will develop about forty (40) 4″x5″ negatives. Use undiluted for 4.5 minutes at 70* F, agitating every 30 seconds.
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