The DARKROOM COOKBOOK, Third Edition

220 THE DARKROOM COOKBOOK
FORMULA #29
Kodak D-19
This is a high-contrast developer with good keeping properties and high capacity. It is
especially recommended for continuous-tone scientifi c and technical work that requires
higher-than-normal contrast. This developer has special applications for reversal processing
(Reversal Processing, below).
Water at 125F/52C, 750.0 ml
Metol, 2.0 g
Sodium sulfi te, 90.0 g
Hydroquinone, 8.0 g
Sodium carbonate, monohydrate, 52.5 g (45 g anhydrous)
Potassium bromide, 5.0 g
Water to make 1.0 liter
Use undiluted. Develop 6 minutes in a tank or 5 minutes in a tray at 68F/20C.
FORMULA #30
Kodak D-19R
Replenisher for Kodak D-19
Water at 125F/52C, 750.0 ml
Metol, 4.5 g
Sodium sulfi te, 90.0 g
Hydroquinone, 17.5 g
*Sodium carbonate, 52.5 g
Sodium hydroxide, 7.5 g
Cold water to make 1.0 liter
* Sodium carbonate, anhydrous, 45.0 g
Use this replenisher undiluted. After each 802 inches of fi lm add 25.0 ml of replenisher.
The total volume of replenisher added should not exceed the original volume of the
developer.
Caution: Dissolve the sodium hydroxide in a small volume of water in a separate container
before adding it to the solution of the other constituents.
High-Defi nition Developers
FORMULA #31
Developer #105
(Willi Buetler; thanks to Lawrence Cooper)