de Cezar Popescu | mart. 14, 2012 | Developers, General purpose developers
This positive developer is suitable (or all papers, which are intended to give warm-black tones, e.g., chamois contact paper (gas-light), portrait contact and enlarging papers (chloro-bromide). Focal paper developer for warm-black tones, working solution Ingredient...
de Cezar Popescu | mart. 14, 2012 | Developers, General purpose developers
Energetic positive developer giving vigorous results. Producing pure black to blue-black tones on chloride paper, and pure black tones on bromide enlarging paper. Focal paper developer for blue-black tones, working solution Ingredient Quantity Mix chemicals in order....
de Cezar Popescu | mart. 13, 2012 | Developers, General purpose developers
An inexpensive and generally useful positive developer for both printing and enlarging papers. The formula is of good service when the photographer desires one developer to suffice for all purposes, thus avoiding the preparation of a special formula for each type of...
de Cezar Popescu | feb. 6, 2012 | Developers, General purpose developers, Tropical developers
As a negative and positive developer, amidol enjoys a certain popularity on account of its freedom from fog, good tonal reproduction and universal use, as well as its capacity for producing a deep velvety black on bromide papers. Focal Amidol universal developer,...
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...
de Cezar Popescu | ian. 22, 2012 | Developers, Fine grain developers
With this negative developer formula the following types of finegrain developer may be made up: Without potassium sulphocyanide it provides a normal fine grain developer, and about 50 per cent additional exposure of the negative is recommended. Without potassium...
