FR520437A - Tachéomètre perfectionné - Google Patents

Tachéomètre perfectionné

Info

Publication number
FR520437A
FR520437A FR520437A FR520437DA FR520437A FR 520437 A FR520437 A FR 520437A FR 520437 A FR520437 A FR 520437A FR 520437D A FR520437D A FR 520437DA FR 520437 A FR520437 A FR 520437A
Authority
FR
France
Prior art keywords
tacheometer
advanced
advanced tacheometer
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
FR520437A
Other languages
English (en)
Inventor
Gaston Thoret
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 FR520437A publication Critical patent/FR520437A/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
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/26—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with fixed angles and a base of variable length, at, near, or formed by the object
    • G01C3/28—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with fixed angles and a base of variable length, at, near, or formed by the object with provision for reduction of the distance into the horizontal plane
    • G01C3/30—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with fixed angles and a base of variable length, at, near, or formed by the object with provision for reduction of the distance into the horizontal plane with adaptation to the measurement of the height of an object, e.g. tacheometers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR520437A 1920-07-12 1920-07-12 Tachéomètre perfectionné Expired FR520437A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR520437T 1920-07-12

Publications (1)

Publication Number Publication Date
FR520437A true FR520437A (fr) 1921-06-25

Family

ID=8916723

Family Applications (1)

Application Number Title Priority Date Filing Date
FR520437A Expired FR520437A (fr) 1920-07-12 1920-07-12 Tachéomètre perfectionné

Country Status (1)

Country Link
FR (1) FR520437A (fr)

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