GB190621189A - Improvements relating to Self-developing Photographic Films. - Google Patents
Improvements relating to Self-developing Photographic Films.Info
- Publication number
- GB190621189A GB190621189A GB190621189DA GB190621189A GB 190621189 A GB190621189 A GB 190621189A GB 190621189D A GB190621189D A GB 190621189DA GB 190621189 A GB190621189 A GB 190621189A
- Authority
- GB
- United Kingdom
- Prior art keywords
- developing
- films
- self
- improvements relating
- photographic films
- 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
21,189. Thornton, J. E. Sept. 25. Drawings to Specification. Sensitized films; developing; fixing.-Sensitized films such as are described in Specifications Nos. 11,033, 11,346, and 12,003, A.D. 1906, and characterized by having manipulating-tabs are provided with developing and fixing layers, to form self-developing plates and films in a similar manner to that described in Specifications No. 1201, A.D. 1888, No. 17,292, A.D. 1899, and No. 8911, A.D. 1905. The developing and fixing layer may be spread separately on different parts of the film or its backing, or upon or in connexion with any coatings with which the tabbed films are associated, for example anti-curling or anti-halation coatings, or colour or other coating for colour photography. The invention may also be applied to tabbed plates.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB190621189T | 1906-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB190621189A true GB190621189A (en) | 1907-09-19 |
Family
ID=32487699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB190621189D Expired GB190621189A (en) | 1906-09-25 | 1906-09-25 | Improvements relating to Self-developing Photographic Films. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB190621189A (en) |
-
1906
- 1906-09-25 GB GB190621189D patent/GB190621189A/en not_active Expired
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