FR342913A - Air bubble level - Google Patents

Air bubble level

Info

Publication number
FR342913A
FR342913A FR342913DA FR342913A FR 342913 A FR342913 A FR 342913A FR 342913D A FR342913D A FR 342913DA FR 342913 A FR342913 A FR 342913A
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
Fridolin Zwicky
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR342913A publication Critical patent/FR342913A/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
    • G01C9/28—Mountings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR342913D 1903-05-07 1904-05-06 Air bubble level Expired FR342913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH342913X 1903-05-07

Publications (1)

Publication Number Publication Date
FR342913A true FR342913A (en) 1904-09-21

Family

ID=1391884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR342913D Expired FR342913A (en) 1903-05-07 1904-05-06 Air bubble level

Country Status (1)

Country Link
FR (1) FR342913A (en)

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