GB107529A - Improvements in or relating to Instruments for Navigation and like purposes. - Google Patents
Improvements in or relating to Instruments for Navigation and like purposes.Info
- Publication number
- GB107529A GB107529A GB1792816A GB1792816A GB107529A GB 107529 A GB107529 A GB 107529A GB 1792816 A GB1792816 A GB 1792816A GB 1792816 A GB1792816 A GB 1792816A GB 107529 A GB107529 A GB 107529A
- Authority
- GB
- United Kingdom
- Prior art keywords
- disk
- navigation
- instruments
- relating
- purposes
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
107,529. Zona, E. Dec. 13, 1916. Plane-trigonometry calculators.-Apparatus for solving problems in plane-navigation and for use as a station pointer comprises a transparent disk z graduated in degrees on its edges and ruled in squares. Secured to the edge of the disk by clips r so as to be capable of rotation is a graduated ring l, and pivoted at the centre of the disk are four alidades a, b, c, d marked on their edges with graduations corresponding to the rulings on the disk. Set-screws i are provided for clamping the alidades, and a hole o is provided at the centre for the insertion of a marking-point.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1792816A GB107529A (en) | 1916-12-13 | 1916-12-13 | Improvements in or relating to Instruments for Navigation and like purposes. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1792816A GB107529A (en) | 1916-12-13 | 1916-12-13 | Improvements in or relating to Instruments for Navigation and like purposes. |
Publications (1)
Publication Number | Publication Date |
---|---|
GB107529A true GB107529A (en) | 1917-07-05 |
Family
ID=32409003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1792816A Expired GB107529A (en) | 1916-12-13 | 1916-12-13 | Improvements in or relating to Instruments for Navigation and like purposes. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB107529A (en) |
-
1916
- 1916-12-13 GB GB1792816A patent/GB107529A/en not_active Expired
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