FR417750A - Instrument de géodésie - Google Patents

Instrument de géodésie

Info

Publication number
FR417750A
FR417750A FR417750DA FR417750A FR 417750 A FR417750 A FR 417750A FR 417750D A FR417750D A FR 417750DA FR 417750 A FR417750 A FR 417750A
Authority
FR
France
Prior art keywords
geodesy instrument
geodesy
instrument
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
Edward Harker Vintcent Melvill
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 FR417750A publication Critical patent/FR417750A/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)
FR417750D 1910-06-04 1910-06-04 Instrument de géodésie Expired FR417750A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR417750T 1910-06-04

Publications (1)

Publication Number Publication Date
FR417750A true FR417750A (fr) 1910-11-21

Family

ID=1461130

Family Applications (1)

Application Number Title Priority Date Filing Date
FR417750D Expired FR417750A (fr) 1910-06-04 1910-06-04 Instrument de géodésie

Country Status (1)

Country Link
FR (1) FR417750A (fr)

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