FR384308A - Boussole - Google Patents

Boussole

Info

Publication number
FR384308A
FR384308A FR384308DA FR384308A FR 384308 A FR384308 A FR 384308A FR 384308D A FR384308D A FR 384308DA FR 384308 A FR384308 A FR 384308A
Authority
FR
France
Prior art keywords
compass
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
English (en)
Inventor
Lennart Lilliehoeoek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LENNART LILLIEHOEOEK
Original Assignee
LENNART LILLIEHOEOEK
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 LENNART LILLIEHOEOEK filed Critical LENNART LILLIEHOEOEK
Application granted granted Critical
Publication of FR384308A publication Critical patent/FR384308A/fr
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
    • 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)
FR384308D 1906-11-28 1907-11-23 Boussole Expired FR384308A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE384308X 1906-11-28

Publications (1)

Publication Number Publication Date
FR384308A true FR384308A (fr) 1908-04-04

Family

ID=1430260

Family Applications (1)

Application Number Title Priority Date Filing Date
FR384308D Expired FR384308A (fr) 1906-11-28 1907-11-23 Boussole

Country Status (1)

Country Link
FR (1) FR384308A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2552332A (en) * 1945-01-30 1951-05-08 American Machine & Metals Compass
US2636283A (en) * 1951-03-06 1953-04-28 I D Watch Case Co Inc Compass crystal for watches
DE908918C (de) * 1941-08-19 1954-04-12 Emil Busch A G Optische Ind Kompass mit Visiereinrichtung
US2955357A (en) * 1957-03-11 1960-10-11 Uebelhardt Roger Wrist watch

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE908918C (de) * 1941-08-19 1954-04-12 Emil Busch A G Optische Ind Kompass mit Visiereinrichtung
US2552332A (en) * 1945-01-30 1951-05-08 American Machine & Metals Compass
US2636283A (en) * 1951-03-06 1953-04-28 I D Watch Case Co Inc Compass crystal for watches
US2955357A (en) * 1957-03-11 1960-10-11 Uebelhardt Roger Wrist watch

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