FR558994A - Perfectionnements aux compas à liquide - Google Patents

Perfectionnements aux compas à liquide

Info

Publication number
FR558994A
FR558994A FR558994DA FR558994A FR 558994 A FR558994 A FR 558994A FR 558994D A FR558994D A FR 558994DA FR 558994 A FR558994 A FR 558994A
Authority
FR
France
Prior art keywords
compasses
liquid
liquid 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
Auguste-Henri-Eugene Vion
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 FR558994A publication Critical patent/FR558994A/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)
FR558994D 1922-11-23 1922-11-23 Perfectionnements aux compas à liquide Expired FR558994A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR558994T 1922-11-23

Publications (1)

Publication Number Publication Date
FR558994A true FR558994A (fr) 1923-09-07

Family

ID=8941945

Family Applications (1)

Application Number Title Priority Date Filing Date
FR558994D Expired FR558994A (fr) 1922-11-23 1922-11-23 Perfectionnements aux compas à liquide

Country Status (1)

Country Link
FR (1) FR558994A (fr)

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