FR934792A - Alidades et règles à éclimètre perfectionnées - Google Patents

Alidades et règles à éclimètre perfectionnées

Info

Publication number
FR934792A
FR934792A FR934792DA FR934792A FR 934792 A FR934792 A FR 934792A FR 934792D A FR934792D A FR 934792DA FR 934792 A FR934792 A FR 934792A
Authority
FR
France
Prior art keywords
eclimeter
alidades
rulers
advanced
eclimeter rulers
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
Armand-Louis-Joseph Souyri
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 FR934792A publication Critical patent/FR934792A/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)
FR934792D 1946-08-07 1946-08-07 Alidades et règles à éclimètre perfectionnées Expired FR934792A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR934792T 1946-08-07

Publications (1)

Publication Number Publication Date
FR934792A true FR934792A (fr) 1948-06-01

Family

ID=9456412

Family Applications (1)

Application Number Title Priority Date Filing Date
FR934792D Expired FR934792A (fr) 1946-08-07 1946-08-07 Alidades et règles à éclimètre perfectionnées

Country Status (1)

Country Link
FR (1) FR934792A (fr)

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