The Photographic Journal of America: The Oldest Photography Magazine in America, Volume 53Edward L. Wilson Company, Incorporated, 1916 |
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Página 4
... bleaching solution . 3. Converting or sulphide solution . Not a very formidable array , and yet if we were to go thoroughly into them we should find enough material to fill seeral evenings . I. BROMIDE PRINT First we have a bromide ...
... bleaching solution . 3. Converting or sulphide solution . Not a very formidable array , and yet if we were to go thoroughly into them we should find enough material to fill seeral evenings . I. BROMIDE PRINT First we have a bromide ...
Página 5
... BLEACHING SOLUTIONS At this point we must leave the bromide print , for enough has been said to enable us to enter the problem before us , and we must now consider the nature of the solutions we are to use . There are a large number of ...
... BLEACHING SOLUTIONS At this point we must leave the bromide print , for enough has been said to enable us to enter the problem before us , and we must now consider the nature of the solutions we are to use . There are a large number of ...
Página 7
... bleached image . Now what has happened ? The solution has first of all had to penetrate the gelatin wall , which it does in two ways , by microdiffusion through the porosity of the surface , or by microfiltration through the interspaces ...
... bleached image . Now what has happened ? The solution has first of all had to penetrate the gelatin wall , which it does in two ways , by microdiffusion through the porosity of the surface , or by microfiltration through the interspaces ...
Página 9
... bleached ! " Certainly you can do so if you like , but if you really grasp the nature of this process there is no reason why you should . When discussing the action of the developer on the encased silver bromide , it was seen that the ...
... bleached ! " Certainly you can do so if you like , but if you really grasp the nature of this process there is no reason why you should . When discussing the action of the developer on the encased silver bromide , it was seen that the ...
Página 42
... bleaching bath used was that worked out by the demonstrator , who gave us his working formula , viz : Water , 10 ounces ; copper sulphate , 40 grains ; sulphuric acid , 2.5 minims ; potassium bromide , 40 grains ; potassium bichromate ...
... bleaching bath used was that worked out by the demonstrator , who gave us his working formula , viz : Water , 10 ounces ; copper sulphate , 40 grains ; sulphuric acid , 2.5 minims ; potassium bromide , 40 grains ; potassium bichromate ...
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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Página 532 - ... owner; and this affiant has no reason to believe that any other person, association, or corporation has any interest direct or indirect in the said stock, bonds, or other securities than as so stated by him. 5. That the average number of copies of each issue of this publication sold or distributed, through the mails or otherwise, to paid subscribers during the six months...
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Página 532 - None 2. That the owners are: (Give names and addresses of individual owners, or if a corporation, give its name and the names and addresses of stockholders owning or holding ] per cent or more of the total amount of stock.) Department of Education, San Juan, Porto Rico.
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