GB142261A - A gyroscopic level - Google Patents
A gyroscopic levelInfo
- Publication number
- GB142261A GB142261A GB846119A GB846119A GB142261A GB 142261 A GB142261 A GB 142261A GB 846119 A GB846119 A GB 846119A GB 846119 A GB846119 A GB 846119A GB 142261 A GB142261 A GB 142261A
- Authority
- GB
- United Kingdom
- Prior art keywords
- axis
- centre
- arm
- base
- plate
- 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
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/02—Rotary gyroscopes
- G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
- G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
142,261. Butler, W. R. April 3, 1919. Gyroscopic apparatus.-An instrument for use on aircraft &c. for demonstrating the relationship between the horizontal, the latitude, and a line parallel to the earth's axis, and for determining the horizontal when the other two are known, comprises a base-plate 1 carrying a pillar 2 which supports a fork 5 carrying gimbal rings 6, within which is mounted a gyroscope 9 with its axis 8 parallel to the earth's axis and its centre of gravity over the centre of the base-plate. Also attached to the base-plate is an arm 3 terminating in a graduated quadrant 4, the centre of which coincides with the centre of gravity of the gyroscope. The arm 3 can be set to any position round the rim of the base-plate, and a pointer C can be set to any position on the quadrant. If the arm 3 is adjusted until its median plane is in the plane of the axis 8, and if the pointer C is adjusted to the latitude, then, when the baseplate 1 is horizontal, the axis 8 is in line with the pointer C. The arm 3 may carry an index line P indicating against graduations on the baseplate, the course being made by the aircraft &c.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB846119A GB142261A (en) | 1919-04-03 | 1919-04-03 | A gyroscopic level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB846119A GB142261A (en) | 1919-04-03 | 1919-04-03 | A gyroscopic level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB142261A true GB142261A (en) | 1920-05-06 |
Family
ID=9852900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB846119A Expired GB142261A (en) | 1919-04-03 | 1919-04-03 | A gyroscopic level |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB142261A (en) |
-
1919
- 1919-04-03 GB GB846119A patent/GB142261A/en not_active Expired
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