FR815225A - Optical angle measuring device such as sextant - Google Patents

Optical angle measuring device such as sextant

Info

Publication number
FR815225A
FR815225A FR815225DA FR815225A FR 815225 A FR815225 A FR 815225A FR 815225D A FR815225D A FR 815225DA FR 815225 A FR815225 A FR 815225A
Authority
FR
France
Prior art keywords
sextant
measuring device
angle measuring
optical angle
optical
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
Albert Lepetit
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 filed Critical
Application granted granted Critical
Publication of FR815225A publication Critical patent/FR815225A/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
    • G01C1/08—Sextants

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR815225D 1936-03-16 1936-03-16 Optical angle measuring device such as sextant Expired FR815225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR815225T 1936-03-16

Publications (1)

Publication Number Publication Date
FR815225A true FR815225A (en) 1937-07-08

Family

ID=9267123

Family Applications (1)

Application Number Title Priority Date Filing Date
FR815225D Expired FR815225A (en) 1936-03-16 1936-03-16 Optical angle measuring device such as sextant

Country Status (1)

Country Link
FR (1) FR815225A (en)

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