FR701810A - Perfectionnements aux compas de guidage - Google Patents

Perfectionnements aux compas de guidage

Info

Publication number
FR701810A
FR701810A FR701810DA FR701810A FR 701810 A FR701810 A FR 701810A FR 701810D A FR701810D A FR 701810DA FR 701810 A FR701810 A FR 701810A
Authority
FR
France
Prior art keywords
compasses
guide
guide compasses
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR701810A publication Critical patent/FR701810A/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
    • G01C17/38—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)
FR701810D 1929-09-16 1930-09-09 Perfectionnements aux compas de guidage Expired FR701810A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US701810XA 1929-09-16 1929-09-16

Publications (1)

Publication Number Publication Date
FR701810A true FR701810A (fr) 1931-03-23

Family

ID=22093649

Family Applications (1)

Application Number Title Priority Date Filing Date
FR701810D Expired FR701810A (fr) 1929-09-16 1930-09-09 Perfectionnements aux compas de guidage

Country Status (1)

Country Link
FR (1) FR701810A (fr)

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