FR9966E - Topography instrument called "topometrograph" - Google Patents

Topography instrument called "topometrograph"

Info

Publication number
FR9966E
FR9966E FR9966DA FR9966E FR 9966 E FR9966 E FR 9966E FR 9966D A FR9966D A FR 9966DA FR 9966 E FR9966 E FR 9966E
Authority
FR
France
Prior art keywords
topometrograph
instrument called
topography instrument
topography
called
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
French (fr)
Inventor
Paul Gaultier
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 FR9966E publication Critical patent/FR9966E/en
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)
FR9966D 1907-03-13 1908-10-20 Topography instrument called "topometrograph" Expired FR9966E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR375651T 1907-03-13
FR9966T 1908-10-20

Publications (1)

Publication Number Publication Date
FR9966E true FR9966E (en) 1909-03-27

Family

ID=1352465

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9966D Expired FR9966E (en) 1907-03-13 1908-10-20 Topography instrument called "topometrograph"

Country Status (1)

Country Link
FR (1) FR9966E (en)

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