FR741619A - - Google Patents
Info
- Publication number
- FR741619A FR741619A FR741619DA FR741619A FR 741619 A FR741619 A FR 741619A FR 741619D A FR741619D A FR 741619DA FR 741619 A FR741619 A FR 741619A
- Authority
- FR
- France
- 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
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/10—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument
- G01C3/14—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument with binocular observation at a single point, e.g. stereoscopic type
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
FR741619A true FR741619A (xx) | 1933-02-16 |
Family
ID=1546129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR741619D Expired FR741619A (xx) |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR741619A (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2425713A (en) * | 1943-07-30 | 1947-08-19 | Lindsay M Applegate | Stereoscopic range and height finder with adjustable reticles |
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0
- FR FR741619D patent/FR741619A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2425713A (en) * | 1943-07-30 | 1947-08-19 | Lindsay M Applegate | Stereoscopic range and height finder with adjustable reticles |