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' Text Appearing After Image: PORTRAIT. HELMAR LERSKI. 241 I also find this an excellent developer for lantern slides, andwhere a plate is inclined to show fog I find it keeps the plateclear. It is a slow working developer, the proper time for goodsnappy prints being about one and a half to two minutes. Forsepias it is excellent.Here is the formula. Stock.Water 40 oz. Dry Sulphite 6 oz. Citric Acid 120 gr. Iron Sulphite i oz. Bromide Potash 4 drachms For use.Water 10 oz. Stock 2^ oz. Amidol 30 grains The developer does not deteriorate very rapidly, hence will go as far as metol-quinol.
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Autor zemřel v roce 1956, takže toto dílo je volné také v zemích, jejichž právní řád chrání majetková autorská práva po dobu života autora a 60 let po jeho smrti.
Toto dílo je ve Spojených státech amerických dílem volným (public domain), protože tam bylo registrováno u U.S. Copyright Office nebo zveřejněno před 1. lednem 1929.
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