FI48781C - Declination correction device for magnetic compass - Google Patents

Declination correction device for magnetic compass

Info

Publication number
FI48781C
FI48781C FI306770A FI306770A FI48781C FI 48781 C FI48781 C FI 48781C FI 306770 A FI306770 A FI 306770A FI 306770 A FI306770 A FI 306770A FI 48781 C FI48781 C FI 48781C
Authority
FI
Finland
Prior art keywords
correction device
magnetic compass
declination correction
declination
compass
Prior art date
Application number
FI306770A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI48781B (en
Inventor
Jaervenpaeae
Original Assignee
Suunto Oy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suunto Oy filed Critical Suunto Oy
Priority to FI306770A priority Critical patent/FI48781C/en
Priority to DE19712156404 priority patent/DE2156404C3/en
Priority to JP9033071A priority patent/JPS554246B1/ja
Application granted granted Critical
Publication of FI48781B publication Critical patent/FI48781B/fi
Publication of FI48781C publication Critical patent/FI48781C/en

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)
  • Drawing Aids And Blackboards (AREA)
  • Sewing Machines And Sewing (AREA)
FI306770A 1970-11-13 1970-11-13 Declination correction device for magnetic compass FI48781C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI306770A FI48781C (en) 1970-11-13 1970-11-13 Declination correction device for magnetic compass
DE19712156404 DE2156404C3 (en) 1970-11-13 1971-11-12 Device for correcting the declination of a magnetic compass
JP9033071A JPS554246B1 (en) 1970-11-13 1971-11-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI306770A FI48781C (en) 1970-11-13 1970-11-13 Declination correction device for magnetic compass

Publications (2)

Publication Number Publication Date
FI48781B FI48781B (en) 1974-09-02
FI48781C true FI48781C (en) 1974-12-10

Family

ID=8507956

Family Applications (1)

Application Number Title Priority Date Filing Date
FI306770A FI48781C (en) 1970-11-13 1970-11-13 Declination correction device for magnetic compass

Country Status (2)

Country Link
JP (1) JPS554246B1 (en)
FI (1) FI48781C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59196635U (en) * 1983-06-16 1984-12-27 オ−エツチ工業株式会社 Piece body for pulling slabs

Also Published As

Publication number Publication date
DE2156404A1 (en) 1972-07-20
DE2156404B2 (en) 1977-05-18
FI48781B (en) 1974-09-02
JPS554246B1 (en) 1980-01-29

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