FR485955A - Nouveau goniomètre de mine - Google Patents

Nouveau goniomètre de mine

Info

Publication number
FR485955A
FR485955A FR485955DA FR485955A FR 485955 A FR485955 A FR 485955A FR 485955D A FR485955D A FR 485955DA FR 485955 A FR485955 A FR 485955A
Authority
FR
France
Prior art keywords
goniometer
new mine
mine
new
mine goniometer
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
Francisco Rived
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR485955A publication Critical patent/FR485955A/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)
FR485955D 1917-06-18 1917-06-18 Nouveau goniomètre de mine Expired FR485955A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR485955T 1917-06-18

Publications (1)

Publication Number Publication Date
FR485955A true FR485955A (fr) 1918-02-26

Family

ID=1522608

Family Applications (1)

Application Number Title Priority Date Filing Date
FR485955D Expired FR485955A (fr) 1917-06-18 1917-06-18 Nouveau goniomètre de mine

Country Status (1)

Country Link
FR (1) FR485955A (fr)

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