FR657478A - Bubble sextant - Google Patents

Bubble sextant

Info

Publication number
FR657478A
FR657478A FR657478DA FR657478A FR 657478 A FR657478 A FR 657478A FR 657478D A FR657478D A FR 657478DA FR 657478 A FR657478 A FR 657478A
Authority
FR
France
Prior art keywords
sextant
bubble
bubble sextant
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
Manuel Ferreria
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 FR657478A publication Critical patent/FR657478A/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)
FR657478D 1928-07-13 1928-07-13 Bubble sextant Expired FR657478A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR657478T 1928-07-13

Publications (1)

Publication Number Publication Date
FR657478A true FR657478A (en) 1929-05-23

Family

ID=9008442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR657478D Expired FR657478A (en) 1928-07-13 1928-07-13 Bubble sextant

Country Status (1)

Country Link
FR (1) FR657478A (en)

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