GB508923A - Improvements in and relating to calculating apparatus - Google Patents
Improvements in and relating to calculating apparatusInfo
- Publication number
- GB508923A GB508923A GB27264/38A GB2726438A GB508923A GB 508923 A GB508923 A GB 508923A GB 27264/38 A GB27264/38 A GB 27264/38A GB 2726438 A GB2726438 A GB 2726438A GB 508923 A GB508923 A GB 508923A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rule
- sept
- pivot
- rail
- clamping screws
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G1/00—Hand manipulated computing devices
- G06G1/14—Hand manipulated computing devices in which a straight or curved line has to be drawn from given points on one or more input scales to one or more points on a result scale
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Instructional Devices (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
508,923. Calculating - apparatus. COSTES, D. Sept. 19, 1938, No. 27264. Convention date, Sept. 18, 1937. [Class 106 (i)] A device for use in aerial navigation or other purpose for ascertaining the bearing, speed during flight, position, time of flight or other functional variable comprises a rail 1 supporting a cursor 2 having a pivot 12 on which is mounted a rigid rule 13 graduated in terms of distance. The rule 13 can be angularly adjusted with respect to a protractor 22 arranged on the pivot 12, the parts being held in set position by a nut 14. Adjacent the zero of the fixed scale 15 on the rule is secured an elastic band 16 the free end of which is attached to a cord or wire 17 wound around a reel 18 at the upper end of the rule. The band 16 has engraved or otherwise marked thereon a scale 21 representing units of time. The rail 1 is adapted to be adjustably mounted on a support such as a map holder by clamping screws 11. The map is supported on a board 6 by end plates 7 and clamping screws 8.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU508923X | 1937-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB508923A true GB508923A (en) | 1939-07-07 |
Family
ID=19732807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB27264/38A Expired GB508923A (en) | 1937-09-18 | 1938-09-19 | Improvements in and relating to calculating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB508923A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2481563A (en) * | 1946-02-14 | 1949-09-13 | Bendix Aviat Corp | Chart evaluator |
| US3401879A (en) * | 1965-05-14 | 1968-09-17 | Close Garth | Navigational computer |
| US3645000A (en) * | 1969-06-04 | 1972-02-29 | Sadie Gass | Drapery-measuring device |
-
1938
- 1938-09-19 GB GB27264/38A patent/GB508923A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2481563A (en) * | 1946-02-14 | 1949-09-13 | Bendix Aviat Corp | Chart evaluator |
| US3401879A (en) * | 1965-05-14 | 1968-09-17 | Close Garth | Navigational computer |
| US3645000A (en) * | 1969-06-04 | 1972-02-29 | Sadie Gass | Drapery-measuring device |
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