FR782576A - Compass refinements - Google Patents

Compass refinements

Info

Publication number
FR782576A
FR782576A FR782576DA FR782576A FR 782576 A FR782576 A FR 782576A FR 782576D A FR782576D A FR 782576DA FR 782576 A FR782576 A FR 782576A
Authority
FR
France
Prior art keywords
refinements
compass
compass refinements
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Gunnar Tillander
Henning Rudolf Ekeberg
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 filed Critical
Application granted granted Critical
Publication of FR782576A publication Critical patent/FR782576A/en
Expired 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)
FR782576D 1933-12-11 1934-12-11 Compass refinements Expired FR782576A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE782576X 1933-12-11

Publications (1)

Publication Number Publication Date
FR782576A true FR782576A (en) 1935-06-07

Family

ID=20336762

Family Applications (1)

Application Number Title Priority Date Filing Date
FR782576D Expired FR782576A (en) 1933-12-11 1934-12-11 Compass refinements

Country Status (1)

Country Link
FR (1) FR782576A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2487044A (en) * 1945-10-01 1949-11-08 William C Cude Compass
US2824382A (en) * 1953-08-17 1958-02-25 Sandberg Nils Henry Compasses
US4141152A (en) * 1977-11-30 1979-02-27 White W Gordon Piloting instrument

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2487044A (en) * 1945-10-01 1949-11-08 William C Cude Compass
US2824382A (en) * 1953-08-17 1958-02-25 Sandberg Nils Henry Compasses
US4141152A (en) * 1977-11-30 1979-02-27 White W Gordon Piloting instrument

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