FR535094A - - Google Patents

Info

Publication number
FR535094A
FR535094A FR535094DA FR535094A FR 535094 A FR535094 A FR 535094A FR 535094D A FR535094D A FR 535094DA FR 535094 A FR535094 A FR 535094A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR535094A publication Critical patent/FR535094A/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)
FR535094D Expired FR535094A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
FR535094A true FR535094A (enrdf_load_stackoverflow) 1922-04-08

Family

ID=1537204

Family Applications (1)

Application Number Title Priority Date Filing Date
FR535094D Expired FR535094A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
FR (1) FR535094A (enrdf_load_stackoverflow)

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