FR507756A - Tacheometer - Google Patents

Tacheometer

Info

Publication number
FR507756A
FR507756A FR507756A FR507756DA FR507756A FR 507756 A FR507756 A FR 507756A FR 507756 A FR507756 A FR 507756A FR 507756D A FR507756D A FR 507756DA FR 507756 A FR507756 A FR 507756A
Authority
FR
France
Prior art keywords
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
FR507756A
Other languages
French (fr)
Inventor
Henri Perrot
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 FR507756A publication Critical patent/FR507756A/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
FR507756A 1916-08-17 1916-08-17 Tacheometer Expired FR507756A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR507756T 1916-08-17

Publications (1)

Publication Number Publication Date
FR507756A true FR507756A (en) 1920-09-23

Family

ID=8909916

Family Applications (1)

Application Number Title Priority Date Filing Date
FR507756A Expired FR507756A (en) 1916-08-17 1916-08-17 Tacheometer

Country Status (1)

Country Link
FR (1) FR507756A (en)

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