FR546541A - Square-level - Google Patents

Square-level

Info

Publication number
FR546541A
FR546541A FR546541DA FR546541A FR 546541 A FR546541 A FR 546541A FR 546541D A FR546541D A FR 546541DA FR 546541 A FR546541 A FR 546541A
Authority
FR
France
Prior art keywords
square
level
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
Francisque-Joseph Queuzin
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 FR546541A publication Critical patent/FR546541A/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
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C9/20—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container
    • G01C9/22—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container with interconnected containers in fixed relation to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR546541D 1922-01-30 1922-01-30 Square-level Expired FR546541A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR546541T 1922-01-30

Publications (1)

Publication Number Publication Date
FR546541A true FR546541A (en) 1922-11-15

Family

ID=8933588

Family Applications (1)

Application Number Title Priority Date Filing Date
FR546541D Expired FR546541A (en) 1922-01-30 1922-01-30 Square-level

Country Status (1)

Country Link
FR (1) FR546541A (en)

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