GB157037A - Improvements in lenses - Google Patents
Improvements in lensesInfo
- Publication number
- GB157037A GB157037A GB2116220A GB2116220A GB157037A GB 157037 A GB157037 A GB 157037A GB 2116220 A GB2116220 A GB 2116220A GB 2116220 A GB2116220 A GB 2116220A GB 157037 A GB157037 A GB 157037A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lenses
- 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
- G02B13/00—Optical objectives specially designed for the purposes specified below
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2116220A GB157037A (en) | 1920-07-13 | 1920-07-13 | Improvements in lenses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2116220A GB157037A (en) | 1920-07-13 | 1920-07-13 | Improvements in lenses |
Publications (1)
Publication Number | Publication Date |
---|---|
GB157037A true GB157037A (en) | 1921-01-20 |
Family
ID=10158199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2116220A Expired GB157037A (en) | 1920-07-13 | 1920-07-13 | Improvements in lenses |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB157037A (en) |
-
1920
- 1920-07-13 GB GB2116220A patent/GB157037A/en not_active Expired
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