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FR392117A - Niveau à bulle d'air en forme de boite - Google Patents

Niveau à bulle d'air en forme de boite

Info

Publication number
FR392117A
FR392117A FR392117DA FR392117A FR 392117 A FR392117 A FR 392117A FR 392117D A FR392117D A FR 392117DA FR 392117 A FR392117 A FR 392117A
Authority
FR
France
Prior art keywords
box
spirit level
shaped spirit
shaped
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
English (en)
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.)
Optische Anstalt CP Goerz AG
Original Assignee
Optische Anstalt CP Goerz AG
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 Optische Anstalt CP Goerz AG filed Critical Optische Anstalt CP Goerz AG
Application granted granted Critical
Publication of FR392117A publication Critical patent/FR392117A/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
    • 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
    • G01C9/36—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 of the spherical type, i.e. for indicating the level in all directions
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
FR392117D 1907-10-26 1908-07-08 Niveau à bulle d'air en forme de boite Expired FR392117A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE392117X 1932-01-22

Publications (1)

Publication Number Publication Date
FR392117A true FR392117A (fr) 1908-11-18

Family

ID=6383772

Family Applications (1)

Application Number Title Priority Date Filing Date
FR392117D Expired FR392117A (fr) 1907-10-26 1908-07-08 Niveau à bulle d'air en forme de boite

Country Status (2)

Country Link
FR (1) FR392117A (fr)
GB (1) GB392117A (fr)

Also Published As

Publication number Publication date
GB392117A (en) 1933-05-11

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