de Cezar Popescu | oct. 26, 2014 | Acid fixers, BW Formula, Compensating developer, Developers, Fixers, formula, Imperial Dry Plate, manufacturers, Two-bath developers
Developers for plates “Pyro-Soda.” Stock Solution. Metabisulphite of Potass. 50 grs. 10 grms. Pyrogallic Acid 1 oz. 83 grms. Bromide of Potassium 60 grs. 13 grms. Water (boiled or distilled) to 12 oz. 1.000 c.c. No. 1. Stock Solution 3 oz. 150 c.c. Water (boiled or...
de Cezar Popescu | ian. 23, 2012 | Developers, High contrast developers, Two-bath developers
A negative developer of maximum energy and highest contrast. In these properties it yields far more than the undiluted solution according to formula, but it possesses the disadvantage of not keeping well once it is mixed. This formula is of good service in all cases...
