FR420912A - Advanced eyepiece for optical instruments - Google Patents
Advanced eyepiece for optical instrumentsInfo
- Publication number
- FR420912A FR420912A FR420912A FR420912DA FR420912A FR 420912 A FR420912 A FR 420912A FR 420912 A FR420912 A FR 420912A FR 420912D A FR420912D A FR 420912DA FR 420912 A FR420912 A FR 420912A
- Authority
- FR
- France
- Prior art keywords
- eyepiece
- advanced
- optical instruments
- instruments
- optical
- 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
- G02B25/00—Eyepieces; Magnifying glasses
- G02B25/001—Eyepieces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Astronomy & Astrophysics (AREA)
- Telescopes (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ26672 | 1909-10-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR420912A true FR420912A (en) | 1911-02-10 |
Family
ID=63359333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR420912A Expired FR420912A (en) | 1909-10-01 | 1910-09-30 | Advanced eyepiece for optical instruments |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU1948210B (en) |
FR (1) | FR420912A (en) |
GB (1) | GB191022407A (en) |
-
1910
- 1910-09-27 GB GB191022407D patent/GB191022407A/en not_active Expired
- 1910-09-27 AU AU19482/10A patent/AU1948210B/en not_active Expired
- 1910-09-30 FR FR420912A patent/FR420912A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB191022407A (en) | 1911-09-27 |
AU1948210B (en) | 1911-01-10 |
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