GB190509248A - Improvements in Methods of Applying Chemical Solutions to Photographic Plates and the like. - Google Patents
Improvements in Methods of Applying Chemical Solutions to Photographic Plates and the like.Info
- Publication number
- GB190509248A GB190509248A GB190509248DA GB190509248A GB 190509248 A GB190509248 A GB 190509248A GB 190509248D A GB190509248D A GB 190509248DA GB 190509248 A GB190509248 A GB 190509248A
- Authority
- GB
- United Kingdom
- Prior art keywords
- methods
- porous
- chemical solutions
- intensifying
- developer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Abstract
9248. Hart, D. W. May 2. Chemicals, storing, conveying, and applying; developing ; fixing ; intensifying reducing intensity.- In developing plates and films, pads of porous material are saturated with the developer and applied to the surface of the plate or film. In this way, each portion of the surface being subjected only to the action of the developer in immediate contact, over-development of the more exposed parts is prevented. A paper made of pure cellulose material, without chemical treatment and coated with gelatin, is used, or gelatin sheets alone or backed with porous or non-porous supports. The same method can be employed in fixing, intensifying, or reducing.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190509248T | 1905-05-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190509248A true GB190509248A (en) | 1906-04-26 |
Family
ID=32195908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190509248D Expired GB190509248A (en) | 1905-05-02 | 1905-05-02 | Improvements in Methods of Applying Chemical Solutions to Photographic Plates and the like. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190509248A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2543181A (en) * | 1947-01-15 | 1951-02-27 | Polaroid Corp | Photographic product comprising a rupturable container carrying a photographic processing liquid |
US2616804A (en) * | 1945-08-13 | 1952-11-04 | Polaroid Corp | Sheet material containing a liquid for processing a silver halide layer |
US2647056A (en) * | 1948-02-12 | 1953-07-28 | Polaroid Corp | One step photographic transfer process |
US2733994A (en) * | 1956-02-07 | Method of photographic duplicating |
-
1905
- 1905-05-02 GB GB190509248D patent/GB190509248A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2733994A (en) * | 1956-02-07 | Method of photographic duplicating | ||
US2616804A (en) * | 1945-08-13 | 1952-11-04 | Polaroid Corp | Sheet material containing a liquid for processing a silver halide layer |
US2543181A (en) * | 1947-01-15 | 1951-02-27 | Polaroid Corp | Photographic product comprising a rupturable container carrying a photographic processing liquid |
US2647056A (en) * | 1948-02-12 | 1953-07-28 | Polaroid Corp | One step photographic transfer process |
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