FR909155A - Improvements to photographic enlargers - Google Patents
Improvements to photographic enlargersInfo
- Publication number
- FR909155A FR909155A FR909155DA FR909155A FR 909155 A FR909155 A FR 909155A FR 909155D A FR909155D A FR 909155DA FR 909155 A FR909155 A FR 909155A
- 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 |
---|---|---|---|
FR909155T | 1944-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR909155A true FR909155A (en) | 1946-05-01 |
Family
ID=9407711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR909155D Expired FR909155A (en) | 1944-09-28 | 1944-09-28 | Improvements to photographic enlargers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR909155A (en) |
-
1944
- 1944-09-28 FR FR909155D patent/FR909155A/en not_active Expired
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