FR331829A - Tachéomètre autoréducteur et répétiteur de précision - Google Patents

Tachéomètre autoréducteur et répétiteur de précision

Info

Publication number
FR331829A
FR331829A FR331829DA FR331829A FR 331829 A FR331829 A FR 331829A FR 331829D A FR331829D A FR 331829DA FR 331829 A FR331829 A FR 331829A
Authority
FR
France
Prior art keywords
tacheometer
repeater
precision
self
reducing
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
Francois-Regis Morel
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.)
FRANCOIS REGIS MOREL
Original Assignee
FRANCOIS REGIS MOREL
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 FRANCOIS REGIS MOREL filed Critical FRANCOIS REGIS MOREL
Application granted granted Critical
Publication of FR331829A publication Critical patent/FR331829A/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)
FR331829D 1903-04-15 1903-04-15 Tachéomètre autoréducteur et répétiteur de précision Expired FR331829A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR331829T 1903-04-15

Publications (1)

Publication Number Publication Date
FR331829A true FR331829A (fr) 1903-10-03

Family

ID=1381516

Family Applications (1)

Application Number Title Priority Date Filing Date
FR331829D Expired FR331829A (fr) 1903-04-15 1903-04-15 Tachéomètre autoréducteur et répétiteur de précision

Country Status (1)

Country Link
FR (1) FR331829A (fr)

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