DE251042C - - Google Patents
Info
- Publication number
- DE251042C DE251042C DENDAT251042D DE251042DA DE251042C DE 251042 C DE251042 C DE 251042C DE NDAT251042 D DENDAT251042 D DE NDAT251042D DE 251042D A DE251042D A DE 251042DA DE 251042 C DE251042 C DE 251042C
- Authority
- DE
- Germany
- Prior art keywords
- mirror
- mirrors
- angle
- alignment line
- abscissa
- 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
- 241000182341 Cubitermes group Species 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
- 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)
- Length Measuring Devices By Optical Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE251042C true DE251042C (https=) |
Family
ID=509514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT251042D Active DE251042C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE251042C (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3414763A1 (de) * | 1984-04-18 | 1985-10-31 | Josef 8481 Erbendorf Feit | Vorrichtung zum vermessen von gelaendemarken |
-
0
- DE DENDAT251042D patent/DE251042C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3414763A1 (de) * | 1984-04-18 | 1985-10-31 | Josef 8481 Erbendorf Feit | Vorrichtung zum vermessen von gelaendemarken |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE7302053U (de) | Photographische mattscheibenkamera | |
| DE251042C (https=) | ||
| DE583152C (de) | Rechenlehrmittel | |
| DE360996C (de) | Nivelliergeraet | |
| DE888774C (de) | Rechenanordnung | |
| DE3639711A1 (de) | Verfahren und vorrichtung zur ermittlung der abmessungen eines gegenstandes | |
| DE965896C (de) | Fotografisches Aufnahme- bzw. Rueckvergroesserungsgeraet zur gleichzeitigen Aufnahmebeider Seiten blattfoermiger Vorlagen zwecks Herstellung von Mikrofilmaufnahmen | |
| DE477526C (de) | Griffelkasten mit Rechenvorrichtung | |
| DE655127C (de) | Kolorimeter | |
| DE153853C (https=) | ||
| DE864361C (de) | Sortiergeraet fuer Photobilder | |
| DE3232650C2 (de) | Aufnahmetisch | |
| DE850247C (de) | Lehr- und Anschauungsmittel zum Erlernen des Rechnens | |
| DE355889C (de) | Verfahren und Vorrichtung zum Pruefen von Endmassen mittels Interferenzerscheinungen | |
| Krafft | Die päpstlichen Siegel des Hoch-und Spätmittelalters zwischen Beharrung und Wandel: Innovationen, Modifikationen, Fälschungen. | |
| DE806294C (de) | Rechenbaukasten | |
| DE201473C (https=) | ||
| DE222754C (https=) | ||
| DE539859C (de) | Winkelmess-Vorrichtung an Feuerwaffen | |
| DE6926151U (de) | Lernspiel | |
| CH239771A (de) | Lehrmittel für das Elementarrechnen. | |
| DE8805863U1 (de) | Rahmen für Schemaauswertung von Lotto und Toto | |
| DE1511968U (https=) | ||
| DE1916420U (de) | Zahnaerztliches geraet zur feststellung der bissebene. | |
| DE9213652U1 (de) | Spiel- und Lerngerät |