DE249814C - - Google Patents

Info

Publication number
DE249814C
DE249814C DENDAT249814D DE249814DA DE249814C DE 249814 C DE249814 C DE 249814C DE NDAT249814 D DENDAT249814 D DE NDAT249814D DE 249814D A DE249814D A DE 249814DA DE 249814 C DE249814 C DE 249814C
Authority
DE
Germany
Prior art keywords
magnetic
compass
arms
north
directly indicate
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
Application number
DENDAT249814D
Other languages
German (de)
English (en)
Publication of DE249814C publication Critical patent/DE249814C/de
Active legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Instructional Devices (AREA)
DENDAT249814D Active DE249814C (online.php)

Publications (1)

Publication Number Publication Date
DE249814C true DE249814C (online.php)

Family

ID=508400

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT249814D Active DE249814C (online.php)

Country Status (1)

Country Link
DE (1) DE249814C (online.php)

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