FR1527974A - Aiming apparatus usable, in particular, in building construction - Google Patents
Aiming apparatus usable, in particular, in building constructionInfo
- Publication number
- FR1527974A FR1527974A FR103020A FR103020A FR1527974A FR 1527974 A FR1527974 A FR 1527974A FR 103020 A FR103020 A FR 103020A FR 103020 A FR103020 A FR 103020A FR 1527974 A FR1527974 A FR 1527974A
- Authority
- FR
- France
- Prior art keywords
- building construction
- apparatus usable
- aiming apparatus
- aiming
- usable
- 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
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
- G01C9/26—Details
- G01C9/32—Means for facilitating the observation of the position of the bubble, e.g. illuminating means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR103020A FR1527974A (en) | 1967-04-17 | 1967-04-17 | Aiming apparatus usable, in particular, in building construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR103020A FR1527974A (en) | 1967-04-17 | 1967-04-17 | Aiming apparatus usable, in particular, in building construction |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1527974A true FR1527974A (en) | 1968-06-07 |
Family
ID=8629022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR103020A Expired FR1527974A (en) | 1967-04-17 | 1967-04-17 | Aiming apparatus usable, in particular, in building construction |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1527974A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007128992A1 (en) * | 2006-04-07 | 2007-11-15 | Paul Andrew Sparrow | A spirit level |
WO2021116661A1 (en) * | 2019-12-10 | 2021-06-17 | The Vitec Group Plc | Spirit level for camera tripods |
-
1967
- 1967-04-17 FR FR103020A patent/FR1527974A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007128992A1 (en) * | 2006-04-07 | 2007-11-15 | Paul Andrew Sparrow | A spirit level |
US7975393B2 (en) | 2006-04-07 | 2011-07-12 | Paul Andrew Sparrow | Spirit level |
WO2021116661A1 (en) * | 2019-12-10 | 2021-06-17 | The Vitec Group Plc | Spirit level for camera tripods |
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