GB223226A - Improvements in or relating to means for indicating localities on topographical and geographical maps - Google Patents
Improvements in or relating to means for indicating localities on topographical and geographical mapsInfo
- Publication number
- GB223226A GB223226A GB23592/24A GB2359224A GB223226A GB 223226 A GB223226 A GB 223226A GB 23592/24 A GB23592/24 A GB 23592/24A GB 2359224 A GB2359224 A GB 2359224A GB 223226 A GB223226 A GB 223226A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slide
- topographical
- maps
- relating
- localities
- 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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
- G09B29/10—Map spot or coordinate position indicators; Map reading aids
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
223,226. Poma, C. Oct. 8, 1923, [Convention date]. Maps.-Localities are indicated on topographical and geographical maps from rectangular coordinates by apparatus comprising a carriage J movable horizontallv on cross-bars I in a box P, and carrying a slide I movable vertically on a screw E. The map is supported on a sheet R of glass or other transparent material forming the front of the box. The carriage is provided with an indicator Q reading the horizontal co-ordinate on a fixed scale O. A button A, the spindle of which projects through a slot in the sheet R, is geared by wheels B and F to an index G reading the vertical co-ordinate on a circular scale H, and, through gearing C, D, with the screw rod E for adjusting the slide I. The slide I carries an index hand L and an electric lamp S controlled by a switch N.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT223226X | 1923-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB223226A true GB223226A (en) | 1925-03-19 |
Family
ID=11194649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23592/24A Expired GB223226A (en) | 1923-10-08 | 1924-10-06 | Improvements in or relating to means for indicating localities on topographical and geographical maps |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB223226A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877477A (en) * | 2018-09-13 | 2018-11-23 | 岭南师范学院 | A kind of geographical location marker device and method |
-
1924
- 1924-10-06 GB GB23592/24A patent/GB223226A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877477A (en) * | 2018-09-13 | 2018-11-23 | 岭南师范学院 | A kind of geographical location marker device and method |
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