FR846322A - Optical angle measuring device, such as sextant - Google Patents

Optical angle measuring device, such as sextant

Info

Publication number
FR846322A
FR846322A FR846322DA FR846322A FR 846322 A FR846322 A FR 846322A FR 846322D A FR846322D A FR 846322DA FR 846322 A FR846322 A FR 846322A
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 FR846322A publication Critical patent/FR846322A/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)
FR846322D 1938-05-16 1938-05-16 Optical angle measuring device, such as sextant Expired FR846322A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR846322T 1938-05-16

Publications (1)

Publication Number Publication Date
FR846322A true FR846322A (en) 1939-09-14

Family

ID=9313260

Family Applications (1)

Application Number Title Priority Date Filing Date
FR846322D Expired FR846322A (en) 1938-05-16 1938-05-16 Optical angle measuring device, such as sextant

Country Status (1)

Country Link
FR (1) FR846322A (en)

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