FR784620A - Perfectionnements apportés aux boussoles - Google Patents

Perfectionnements apportés aux boussoles

Info

Publication number
FR784620A
FR784620A FR784620DA FR784620A FR 784620 A FR784620 A FR 784620A FR 784620D A FR784620D A FR 784620DA FR 784620 A FR784620 A FR 784620A
Authority
FR
France
Prior art keywords
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)
Inventor
Dinsmore
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 FR784620A publication Critical patent/FR784620A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR784620D 1935-01-24 1935-01-24 Perfectionnements apportés aux boussoles Expired FR784620A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR784620T 1935-01-24

Publications (1)

Publication Number Publication Date
FR784620A true FR784620A (fr) 1935-07-22

Family

ID=9217404

Family Applications (1)

Application Number Title Priority Date Filing Date
FR784620D Expired FR784620A (fr) 1935-01-24 1935-01-24 Perfectionnements apportés aux boussoles

Country Status (1)

Country Link
FR (1) FR784620A (fr)

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