FR451715A - Abaque tachéométrique - Google Patents

Abaque tachéométrique

Info

Publication number
FR451715A
FR451715A FR451715DA FR451715A FR 451715 A FR451715 A FR 451715A FR 451715D A FR451715D A FR 451715DA FR 451715 A FR451715 A FR 451715A
Authority
FR
France
Prior art keywords
tacheometric
chart
tacheometric chart
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
Emile Balu
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.)
EMILE BALU
Original Assignee
EMILE BALU
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 EMILE BALU filed Critical EMILE BALU
Application granted granted Critical
Publication of FR451715A publication Critical patent/FR451715A/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)
FR451715D 1912-11-23 1912-11-23 Abaque tachéométrique Expired FR451715A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR451715T 1912-11-23

Publications (1)

Publication Number Publication Date
FR451715A true FR451715A (fr) 1913-04-25

Family

ID=1492015

Family Applications (1)

Application Number Title Priority Date Filing Date
FR451715D Expired FR451715A (fr) 1912-11-23 1912-11-23 Abaque tachéométrique

Country Status (1)

Country Link
FR (1) FR451715A (fr)

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