FR934978A - Improvements in photographic enlargers - Google Patents
Improvements in photographic enlargersInfo
- Publication number
- FR934978A FR934978A FR934978DA FR934978A FR 934978 A FR934978 A FR 934978A FR 934978D A FR934978D A FR 934978DA FR 934978 A FR934978 A FR 934978A
- Authority
- FR
- France
- Prior art keywords
- photographic enlargers
- enlargers
- photographic
- 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
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/34—Means for automatic focusing therefor
- G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR934978T | 1946-10-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR934978A true FR934978A (en) | 1948-06-07 |
Family
ID=9456489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR934978D Expired FR934978A (en) | 1946-10-19 | 1946-10-19 | Improvements in photographic enlargers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR934978A (en) |
-
1946
- 1946-10-19 FR FR934978D patent/FR934978A/en not_active Expired
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