DE89767C - - Google Patents

Info

Publication number
DE89767C
DE89767C DENDAT89767D DE89767DA DE89767C DE 89767 C DE89767 C DE 89767C DE NDAT89767 D DENDAT89767 D DE NDAT89767D DE 89767D A DE89767D A DE 89767DA DE 89767 C DE89767 C DE 89767C
Authority
DE
Germany
Prior art keywords
deviation
compass
compafs
positive
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
Application number
DENDAT89767D
Other languages
German (de)
English (en)
Publication of DE89767C publication Critical patent/DE89767C/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
    • G01C17/38—Testing, calibrating, or compensating of compasses

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Earth Drilling (AREA)
DENDAT89767D Active DE89767C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE89767C true DE89767C (enrdf_load_stackoverflow)

Family

ID=361555

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT89767D Active DE89767C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE89767C (enrdf_load_stackoverflow)

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