FR375651A - Topography instrument called "topometrograph" - Google Patents

Topography instrument called "topometrograph"

Info

Publication number
FR375651A
FR375651A FR375651DA FR375651A FR 375651 A FR375651 A FR 375651A FR 375651D A FR375651D A FR 375651DA FR 375651 A FR375651 A FR 375651A
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 FR375651A publication Critical patent/FR375651A/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)
FR375651D 1906-03-16 1907-03-13 Topography instrument called "topometrograph" Expired FR375651A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE375651X 1906-03-16

Publications (1)

Publication Number Publication Date
FR375651A true FR375651A (en) 1907-07-18

Family

ID=1422199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR375651D Expired FR375651A (en) 1906-03-16 1907-03-13 Topography instrument called "topometrograph"

Country Status (1)

Country Link
FR (1) FR375651A (en)

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