FR437742A - Tachéomètre autoréducteur - Google Patents

Tachéomètre autoréducteur

Info

Publication number
FR437742A
FR437742A FR437742DA FR437742A FR 437742 A FR437742 A FR 437742A FR 437742D A FR437742D A FR 437742DA FR 437742 A FR437742 A FR 437742A
Authority
FR
France
Prior art keywords
tacheometer
self
reducing
reducing 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
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.)
Leica Aarau AG
EMILE BALU
Original Assignee
Kern and Co AG
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 Kern and Co AG, EMILE BALU filed Critical Kern and Co AG
Application granted granted Critical
Publication of FR437742A publication Critical patent/FR437742A/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)
FR437742D 1911-12-16 1911-12-16 Tachéomètre autoréducteur Expired FR437742A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR437742T 1911-12-16

Publications (1)

Publication Number Publication Date
FR437742A true FR437742A (fr) 1912-04-29

Family

ID=1479325

Family Applications (1)

Application Number Title Priority Date Filing Date
FR437742D Expired FR437742A (fr) 1911-12-16 1911-12-16 Tachéomètre autoréducteur

Country Status (1)

Country Link
FR (1) FR437742A (fr)

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