GB2031604B - Transparency viewer - Google Patents
Transparency viewerInfo
- Publication number
- GB2031604B GB2031604B GB7926514A GB7926514A GB2031604B GB 2031604 B GB2031604 B GB 2031604B GB 7926514 A GB7926514 A GB 7926514A GB 7926514 A GB7926514 A GB 7926514A GB 2031604 B GB2031604 B GB 2031604B
- Authority
- GB
- United Kingdom
- Prior art keywords
- transparency viewer
- viewer
- transparency
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/02—Viewing or reading apparatus
- G02B27/022—Viewing apparatus
- G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7926514A GB2031604B (en) | 1978-05-31 | 1979-07-30 | Transparency viewer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2586578 | 1978-05-31 | ||
GB7926514A GB2031604B (en) | 1978-05-31 | 1979-07-30 | Transparency viewer |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2031604A GB2031604A (en) | 1980-04-23 |
GB2031604B true GB2031604B (en) | 1982-06-23 |
Family
ID=26257925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7926514A Expired GB2031604B (en) | 1978-05-31 | 1979-07-30 | Transparency viewer |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2031604B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2549971B1 (en) * | 1983-07-26 | 1985-12-20 | Lestrade Stereoscopes | APPARATUS FOR VIEWING TRANSPARENCY VIEWS |
DE8807994U1 (en) * | 1988-06-22 | 1988-09-01 | Bayer Ag, 5090 Leverkusen | Device for diagnosing diseases or pests on plant parts |
-
1979
- 1979-07-30 GB GB7926514A patent/GB2031604B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2031604A (en) | 1980-04-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |