The Photographic Journal of America: The Oldest Photography Magazine in America, Volume 53Edward L. Wilson Company, Incorporated, 1916 |
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Página 159
... eikonogen and sodium sulphite , without any free alkali at all , has no action of that kind . The deposit forming the image is darkened in color , but the shadows remain perfectly trans- parent until the end . In this method of slide ...
... eikonogen and sodium sulphite , without any free alkali at all , has no action of that kind . The deposit forming the image is darkened in color , but the shadows remain perfectly trans- parent until the end . In this method of slide ...
Página 160
... eikonogen , of the strength as given above , varies from a few seconds upward , while slides which have received ample exposure for the restrained devel- oper do not , in the ordinary way , require treatment with the eikonogen at all ...
... eikonogen , of the strength as given above , varies from a few seconds upward , while slides which have received ample exposure for the restrained devel- oper do not , in the ordinary way , require treatment with the eikonogen at all ...
Página 161
... eikonogen to fall back on . As regards actual exposures , my own vary as follows : Using as illuminant an upright ... eikonogen . Use of the Eikonogen Having gained density in the tank , slides which are short of gradation in the high ...
... eikonogen to fall back on . As regards actual exposures , my own vary as follows : Using as illuminant an upright ... eikonogen . Use of the Eikonogen Having gained density in the tank , slides which are short of gradation in the high ...
Página 162
... eikonogen is comparatively slow and regular . Should the lights refuse to develop in the eikonogen , the negative is too hard for slide making , or the exposure has ben much too short , or the eikonogen , through excessive use , has ...
... eikonogen is comparatively slow and regular . Should the lights refuse to develop in the eikonogen , the negative is too hard for slide making , or the exposure has ben much too short , or the eikonogen , through excessive use , has ...
Página
... Eikonogen. added very gradually with vigorous stirring , because if added too quickly it will coagulate the gelatin and form insoluble lumps . The emulsion must , of course , be mixed under a light not stronger than an ordinary small gas ...
... Eikonogen. added very gradually with vigorous stirring , because if added too quickly it will coagulate the gelatin and form insoluble lumps . The emulsion must , of course , be mixed under a light not stronger than an ordinary small gas ...
Outras edições - Ver todos
The Photographic Journal of America: The Oldest Photography ..., Volume 52 Visualização completa - 1915 |
The Photographic Journal of America: The Oldest Photography ..., Volume 57 Visualização completa - 1920 |
The Photographic Journal of America: The Oldest Photography ..., Volume 59 Visualização completa - 1922 |
Termos e frases comuns
acid advertising amateur amidol ammonia aniline aperture artistic bichromate bleaching bromide paper bromide print camera carbonate cent chemical chloride chrome alum Cirkut citric acid color copy Cyko dark-room density developer dissolved effect eikonogen emulsion enlargement exhibition exposure face ferricyanide film filter focal length formula gallic acid gaslight paper gelatin give glass gradation grains hand head high lights hydrochloric acid hydroquinone hypo inches Journal of Photography Karl Struss KODAK lamps lens lenses ment metabisulphite method metol minutes mounted necessary negative obtained ordinary ounces photographer picture piece plate platinum portrait portraiture position possible potassium Potassium bromide potassium ferricyanide produce pyro rapher reducer salt screen sepia shadows shutter side silver sitter slide soda Sodium carbonate Sodium sulphite solution stain strip studio surface thing tion tone washing WORKROOM
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