ID4

This is an exceedingly energetic developer intended for plates which have received minimum exposures. On account of the yellowish colour of the image even very weak negatives may have good printing contrast. Working solutions Ingredient Quantity Mix chemicals in...

ID1

Ilford pyro-soda developer for plates or films. Stock solution Ingredient Quantity Mix chemicals in order. Pyrogallic acid 25 grams Potassium metabisulfite 6 grams Water to make 0.25 liters The potassium metabisulfite should be first dissolved in the water previous to...

EWL Formula 12

With this formula, the shadows seem to come up very rapidly during development so that if it is desired to cut down the developing time to give a soft negative this can be done without too great loss of emulsion speed. This developer is said to be suitable for...

EWL Formula 2

On subjects having violent contrasts where it is necessary to show detail in both highlights and shadows, an acid-amidol developer can be used. IngredientQuantity Mix chemicals in order. Sodium bisulphite12grams Amidol10grams Sodium sulphite8grams Water to make 1...