GB641293A - Improvements in lenses - Google Patents
Improvements in lensesInfo
- Publication number
- GB641293A GB641293A GB4305/48A GB430548A GB641293A GB 641293 A GB641293 A GB 641293A GB 4305/48 A GB4305/48 A GB 4305/48A GB 430548 A GB430548 A GB 430548A GB 641293 A GB641293 A GB 641293A
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US641293XA | 1947-03-29 | 1947-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB641293A true GB641293A (en) | 1950-08-09 |
Family
ID=22053751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4305/48A Expired GB641293A (en) | 1947-03-29 | 1948-02-13 | Improvements in lenses |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB641293A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1063824B (en) * | 1952-10-28 | 1959-08-20 | Agfa Ag | Six-lens photographic lens |
-
1948
- 1948-02-13 GB GB4305/48A patent/GB641293A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1063824B (en) * | 1952-10-28 | 1959-08-20 | Agfa Ag | Six-lens photographic lens |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB645877A (en) | Improvements in photographic reversal processes | |
GB641293A (en) | Improvements in lenses | |
GB619894A (en) | Improvements in games | |
GB640785A (en) | Improvements in spirit levels | |
GB646990A (en) | Improvements in orthoptic instruments | |
AU136121B2 (en) | Improvements in plansifters | |
AU138180B2 (en) | Improvements in luminairs | |
AU136139B2 (en) | Improvements in cameras | |
AU139959B2 (en) | Improvement in fluoborate glasses | |
CA15518S (en) | Figurne | |
AU1117747A (en) | Improvements in luminairs | |
AU1144347A (en) | Improvements in plansifters | |
AU133441B2 (en) | Improvements in lanterns | |
AU1292847A (en) | Improvements in cameras | |
CA15705S (en) | Teapot | |
CA15708S (en) | Purse | |
AU135153B2 (en) | Improvements in straightening machhines | |
AU139961B2 (en) | Improvements in eye shields | |
AU139282B2 (en) | Improvements in bicycles | |
CA15573S (en) | Tricycle | |
AU819146A (en) | Improvement in fluoborate glasses | |
AU136537B2 (en) | Improvements in or relating togas-turbine or jet-engines | |
AU135417B2 (en) | Improvement in indicating device | |
AU132077B2 (en) | Improvements in hats | |
AU136942B2 (en) | Improvements in calculating machines |