FR445399A - Method and apparatus intended to simplify the operations necessary for the calculation of tacheometric survey books - Google Patents

Method and apparatus intended to simplify the operations necessary for the calculation of tacheometric survey books

Info

Publication number
FR445399A
FR445399A FR445399DA FR445399A FR 445399 A FR445399 A FR 445399A FR 445399D A FR445399D A FR 445399DA FR 445399 A FR445399 A FR 445399A
Authority
FR
France
Prior art keywords
books
simplify
calculation
operations necessary
apparatus intended
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
Charles Girard
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR445399A publication Critical patent/FR445399A/en
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)
FR445399D 1912-06-25 1912-06-25 Method and apparatus intended to simplify the operations necessary for the calculation of tacheometric survey books Expired FR445399A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR445399T 1912-06-25

Publications (1)

Publication Number Publication Date
FR445399A true FR445399A (en) 1912-11-09

Family

ID=1486293

Family Applications (1)

Application Number Title Priority Date Filing Date
FR445399D Expired FR445399A (en) 1912-06-25 1912-06-25 Method and apparatus intended to simplify the operations necessary for the calculation of tacheometric survey books

Country Status (1)

Country Link
FR (1) FR445399A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541243A (en) * 1945-03-03 1951-02-13 Smith Corp A O Balance weight calculator
US2605960A (en) * 1952-08-05 Lores

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605960A (en) * 1952-08-05 Lores
US2541243A (en) * 1945-03-03 1951-02-13 Smith Corp A O Balance weight calculator

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