FR567379A - Astrolabe double - Google Patents

Astrolabe double

Info

Publication number
FR567379A
FR567379A FR567379DA FR567379A FR 567379 A FR567379 A FR 567379A FR 567379D A FR567379D A FR 567379DA FR 567379 A FR567379 A FR 567379A
Authority
FR
France
Prior art keywords
astrolabe
double
double astrolabe
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
English (en)
Inventor
Antoine-Francois Benoit
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.)
Societe de Recherches et de Perfectionnements Industriels SRPI
Original Assignee
Societe de Recherches et de Perfectionnements Industriels SRPI
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 Societe de Recherches et de Perfectionnements Industriels SRPI filed Critical Societe de Recherches et de Perfectionnements Industriels SRPI
Application granted granted Critical
Publication of FR567379A publication Critical patent/FR567379A/fr
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
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/02—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by astronomical means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Automation & Control Theory (AREA)
FR567379D 1923-06-13 1923-06-13 Astrolabe double Expired FR567379A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR567379T 1923-06-13

Publications (1)

Publication Number Publication Date
FR567379A true FR567379A (fr) 1924-02-29

Family

ID=8947745

Family Applications (1)

Application Number Title Priority Date Filing Date
FR567379D Expired FR567379A (fr) 1923-06-13 1923-06-13 Astrolabe double

Country Status (1)

Country Link
FR (1) FR567379A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471686A (en) * 1945-09-24 1949-05-31 Walter F Hiltner Celestial navigation instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471686A (en) * 1945-09-24 1949-05-31 Walter F Hiltner Celestial navigation instrument

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