The Art of projection and complete magic lantern ... - Yesterday Image

—141development, immerse in the fixing bath into which has been placeda few drops of ammonia. It is as well at all times to immerse the plateafter fixing in a bath of saturated solution of alum and citric acid, ithardens and clears the film of the yellow stains, well wash the plates inplenty of running water, and before putting aside to dry, rub the filmside under running water with a piece of cotton wool.The methods of development are numerous, and the formula generallyrecommended by the maker of the plates is most to be relied upon, thatis our experience, with most brands of plates, for clear highlights withblack tones in the shadows the following hydroquinone developer hasbeen found to answer admirably with all plates :No. I. Hydroquinone i6o grains.„ Bromide Potassium - - - 3° >•„ Sulphite Soda 2 oz. avdps.,, Water to 20 oz.No. 2. Soda Hydrate 100 grains.„ Water to - - - - - - 20 oz.For use take equal parts of each.A long exposure and a weak developer (one used several times)reduces the sooty and whitewash appearance in a slide made from ahard negative.DEVELOPERS.Both with quinol, hydroquinone, and eikonogen, we have a latitudefor a variety of tones, with a normal exposure a black or grey tone isobtained, with under exposure and prolonged development, warmerqualities are obtained ; we cannot say we are admirers of this tone.Greater scope is given in this direction by using a pyro developer.Amidol is put up in cartridge shape tubes ready for use, it is veryclean and convenient ; like eikonogen, we have found it lacking thecontrasts of other developers, a plate may be started with this, then washand finish with hydroquinone.Quinol, with a carbonate, will give good grey and black tones, butnot purple or brown ; it acts very similar to ferrous oxalate, but is farsuperior in many respects.Eikonogen will render greyish tones, and when used in cartridgeswith the alkali already prepared is very handy, but does not commenditself as others in our hands.