FR450563A - Mire destinée aux opérations de nivellement et de tachéométrie - Google Patents

Mire destinée aux opérations de nivellement et de tachéométrie

Info

Publication number
FR450563A
FR450563A FR450563DA FR450563A FR 450563 A FR450563 A FR 450563A FR 450563D A FR450563D A FR 450563DA FR 450563 A FR450563 A FR 450563A
Authority
FR
France
Prior art keywords
tacheometry
leveling
staff
operations
tacheometry operations
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 FR450563A publication Critical patent/FR450563A/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)
FR450563D 1912-11-13 1912-11-13 Mire destinée aux opérations de nivellement et de tachéométrie Expired FR450563A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR450563T 1912-11-13

Publications (1)

Publication Number Publication Date
FR450563A true FR450563A (fr) 1913-03-28

Family

ID=1490975

Family Applications (1)

Application Number Title Priority Date Filing Date
FR450563D Expired FR450563A (fr) 1912-11-13 1912-11-13 Mire destinée aux opérations de nivellement et de tachéométrie

Country Status (1)

Country Link
FR (1) FR450563A (fr)

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