FR805328A - Indirect vision optical device - Google Patents
Indirect vision optical deviceInfo
- Publication number
- FR805328A FR805328A FR805328DA FR805328A FR 805328 A FR805328 A FR 805328A FR 805328D A FR805328D A FR 805328DA FR 805328 A FR805328 A FR 805328A
- Authority
- FR
- France
- Prior art keywords
- optical device
- vision optical
- indirect vision
- indirect
- vision
- 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
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/08—Periscopes
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR805328T | 1935-08-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR805328A true FR805328A (en) | 1936-11-17 |
Family
ID=9251258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR805328D Expired FR805328A (en) | 1935-08-08 | 1935-08-08 | Indirect vision optical device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR805328A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4488790A (en) * | 1982-01-29 | 1984-12-18 | Beecher William J | Binocular and spectacle-type mounting assembly therefor |
-
1935
- 1935-08-08 FR FR805328D patent/FR805328A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4488790A (en) * | 1982-01-29 | 1984-12-18 | Beecher William J | Binocular and spectacle-type mounting assembly therefor |
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