DE304712C - - Google Patents
Info
- Publication number
- DE304712C DE304712C DENDAT304712D DE304712DA DE304712C DE 304712 C DE304712 C DE 304712C DE NDAT304712 D DENDAT304712 D DE NDAT304712D DE 304712D A DE304712D A DE 304712DA DE 304712 C DE304712 C DE 304712C
- Authority
- DE
- Germany
- Prior art keywords
- compass
- hemisphere
- needle
- pendulum
- magnetic needle
- 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.)
- Active
Links
- 241001247287 Pentalinon luteum Species 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Control Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE304712C true DE304712C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=558292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT304712D Active DE304712C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE304712C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2615249A (en) * | 1951-11-08 | 1952-10-28 | Gerard A Allard | Atomic air burst direction finder |
-
0
- DE DENDAT304712D patent/DE304712C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2615249A (en) * | 1951-11-08 | 1952-10-28 | Gerard A Allard | Atomic air burst direction finder |
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