FR1043757A - Air bubble level - Google Patents

Air bubble level

Info

Publication number
FR1043757A
FR1043757A FR1043757DA FR1043757A FR 1043757 A FR1043757 A FR 1043757A FR 1043757D A FR1043757D A FR 1043757DA FR 1043757 A FR1043757 A FR 1043757A
Authority
FR
France
Prior art keywords
air bubble
bubble level
level
air
bubble
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
Armin Wirth
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 FR1043757A publication Critical patent/FR1043757A/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
    • G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
    • G01C9/26—Details
    • G01C9/32—Means for facilitating the observation of the position of the bubble, e.g. illuminating means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR1043757D 1951-10-11 1951-10-11 Air bubble level Expired FR1043757A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1043757T 1951-10-11

Publications (1)

Publication Number Publication Date
FR1043757A true FR1043757A (en) 1953-11-12

Family

ID=9590741

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1043757D Expired FR1043757A (en) 1951-10-11 1951-10-11 Air bubble level

Country Status (1)

Country Link
FR (1) FR1043757A (en)

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