FR369948A - Système de topographie - Google Patents

Système de topographie

Info

Publication number
FR369948A
FR369948A FR369948DA FR369948A FR 369948 A FR369948 A FR 369948A FR 369948D A FR369948D A FR 369948DA FR 369948 A FR369948 A FR 369948A
Authority
FR
France
Prior art keywords
survey system
survey
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
Cristobal Lana Sarto
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 FR369948A publication Critical patent/FR369948A/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)
FR369948D 1906-09-22 1906-09-22 Système de topographie Expired FR369948A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR369948T 1906-09-22

Publications (1)

Publication Number Publication Date
FR369948A true FR369948A (fr) 1907-01-24

Family

ID=1416912

Family Applications (1)

Application Number Title Priority Date Filing Date
FR369948D Expired FR369948A (fr) 1906-09-22 1906-09-22 Système de topographie

Country Status (1)

Country Link
FR (1) FR369948A (fr)

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