FR716530A - Instrument for measuring distances and dimensions - Google Patents

Instrument for measuring distances and dimensions

Info

Publication number
FR716530A
FR716530A FR716530DA FR716530A FR 716530 A FR716530 A FR 716530A FR 716530D A FR716530D A FR 716530DA FR 716530 A FR716530 A FR 716530A
Authority
FR
France
Prior art keywords
instrument
dimensions
measuring distances
distances
measuring
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
Marie-Joseph-Loui Roy-Premoran
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 filed Critical
Application granted granted Critical
Publication of FR716530A publication Critical patent/FR716530A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00Measuring distances in line of sight; Optical rangefinders
    • G01C3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00Measuring distances in line of sight; Optical rangefinders
    • G01C3/26Measuring 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
    • G01C3/28Measuring 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
    • G01C3/30Measuring 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)
FR716530D 1931-05-05 1931-05-05 Instrument for measuring distances and dimensions Expired FR716530A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR716530T 1931-05-05

Publications (1)

Publication Number Publication Date
FR716530A true FR716530A (en) 1931-12-22

Family

ID=9089585

Family Applications (1)

Application Number Title Priority Date Filing Date
FR716530D Expired FR716530A (en) 1931-05-05 1931-05-05 Instrument for measuring distances and dimensions

Country Status (1)

Country Link
FR (1) FR716530A (en)

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