FR889251A - Angle measuring device - Google Patents

Angle measuring device

Info

Publication number
FR889251A
FR889251A FR889251DA FR889251A FR 889251 A FR889251 A FR 889251A FR 889251D A FR889251D A FR 889251DA FR 889251 A FR889251 A FR 889251A
Authority
FR
France
Prior art keywords
measuring device
angle measuring
angle
measuring
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)
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.)
OPTIKOTECHNA PRERAU GmbH
Original Assignee
OPTIKOTECHNA PRERAU GmbH
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 OPTIKOTECHNA PRERAU GmbH filed Critical OPTIKOTECHNA PRERAU GmbH
Application granted granted Critical
Publication of FR889251A publication Critical patent/FR889251A/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
    • G01C1/00—Measuring angles
    • G01C1/02—Theodolites
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C1/00—Measuring angles
    • G01C1/02—Theodolites
    • G01C1/06—Arrangements for reading scales

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR889251D 1941-12-18 1942-12-17 Angle measuring device Expired FR889251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE889251X 1941-12-18

Publications (1)

Publication Number Publication Date
FR889251A true FR889251A (en) 1944-01-05

Family

ID=6834457

Family Applications (1)

Application Number Title Priority Date Filing Date
FR889251D Expired FR889251A (en) 1941-12-18 1942-12-17 Angle measuring device

Country Status (1)

Country Link
FR (1) FR889251A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2638675A (en) * 1947-03-25 1953-05-19 Keuffel & Esser Co Drafting machine
US3325901A (en) * 1967-06-20 Process for eliminating errors of ec- centricity and for reducing er- rors of graduation in topographic instruments

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325901A (en) * 1967-06-20 Process for eliminating errors of ec- centricity and for reducing er- rors of graduation in topographic instruments
US2638675A (en) * 1947-03-25 1953-05-19 Keuffel & Esser Co Drafting machine

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