FR712483A - Perfectionnements aux appareils compensateurs - Google Patents

Perfectionnements aux appareils compensateurs

Info

Publication number
FR712483A
FR712483A FR712483DA FR712483A FR 712483 A FR712483 A FR 712483A FR 712483D A FR712483D A FR 712483DA FR 712483 A FR712483 A FR 712483A
Authority
FR
France
Prior art keywords
compensating devices
compensating
devices
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.)
Pioneer Instrument Co Inc
Original Assignee
Pioneer Instrument Co Inc
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 Pioneer Instrument Co Inc filed Critical Pioneer Instrument Co Inc
Application granted granted Critical
Publication of FR712483A publication Critical patent/FR712483A/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)
FR712483D 1930-03-03 1931-03-03 Perfectionnements aux appareils compensateurs Expired FR712483A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US712483XA 1930-03-03 1930-03-03

Publications (1)

Publication Number Publication Date
FR712483A true FR712483A (fr) 1931-10-02

Family

ID=22100173

Family Applications (1)

Application Number Title Priority Date Filing Date
FR712483D Expired FR712483A (fr) 1930-03-03 1931-03-03 Perfectionnements aux appareils compensateurs

Country Status (1)

Country Link
FR (1) FR712483A (fr)

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