FR495130A - Mobile periscope for airplanes and aircraft - Google Patents
Mobile periscope for airplanes and aircraftInfo
- Publication number
- FR495130A FR495130A FR495130DA FR495130A FR 495130 A FR495130 A FR 495130A FR 495130D A FR495130D A FR 495130DA FR 495130 A FR495130 A FR 495130A
- Authority
- FR
- France
- Prior art keywords
- periscope
- airplanes
- aircraft
- mobile
- mobile periscope
- 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
- G02B23/10—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors reflecting into the field of view additional indications, e.g. from collimator
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 |
---|---|---|---|
FR495130T | 1917-12-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR495130A true FR495130A (en) | 1919-09-30 |
Family
ID=1530712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR495130D Expired FR495130A (en) | 1917-12-27 | 1917-12-27 | Mobile periscope for airplanes and aircraft |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR495130A (en) |
-
1917
- 1917-12-27 FR FR495130D patent/FR495130A/en not_active Expired
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