DE213304C - - Google Patents
Info
- Publication number
- DE213304C DE213304C DENDAT213304D DE213304DA DE213304C DE 213304 C DE213304 C DE 213304C DE NDAT213304 D DENDAT213304 D DE NDAT213304D DE 213304D A DE213304D A DE 213304DA DE 213304 C DE213304 C DE 213304C
- Authority
- DE
- Germany
- Prior art keywords
- angle
- sights
- instrument
- horizontal
- same time
- 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
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
- G01C17/02—Magnetic compasses
- G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
- G01C17/10—Comparing observed direction with north indication
- G01C17/12—Comparing observed direction with north indication by sighting means, e.g. for surveyors' compasses
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Eye Examination Apparatus (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
DE213304C true DE213304C (cs) |
Family
ID=474966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT213304D Active DE213304C (cs) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE213304C (cs) |
-
0
- DE DENDAT213304D patent/DE213304C/de active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE213304C (cs) | ||
CH666961A5 (de) | Vertikale wellenkonstruktion zu kreiseltheodoliten mit zwei freiheitsgraden. | |
DE2820639C2 (de) | Kollimator-Visiereinrichtung | |
DE232771C (cs) | ||
DE316167C (cs) | ||
DE2311907C3 (de) | Meßgerät mit einem Pendel zum Festlegen einer Bezugsrichtung | |
DE3934381A1 (de) | Anordnung zur lagerung eines optischen spiegels | |
DE234985C (cs) | ||
DE303889C (cs) | ||
DE277214C (cs) | ||
DE347292C (de) | Neigungs- und Flugrichtungsanzeiger fuer Luftfahrzeuge | |
DE736251C (de) | Vorrichtung zum Bestimmen der Haerte kleiner Koerper | |
DE209008C (cs) | ||
DE602228C (de) | Praezisionsfederwaage | |
DE299137C (cs) | ||
DE245553C (cs) | ||
DE225218C (cs) | ||
DE1472279C (de) | Zielfernrohr | |
DE226034C (cs) | ||
DE6938905U (de) | Vorrichtung zum fuehren und abwinkeln medizinischer instrumente | |
DE1548373C (de) | Periskopsextant | |
DE325510C (de) | Entfernungsmesser mit zwei parallelen Messfaeden im Fernrohre | |
DE273285C (cs) | ||
DE323822C (de) | Vorrichtung zum Einbauen und Kompensieren von Flugzeugkompassen | |
DE299619C (cs) |