GB1252181A - - Google Patents

Info

Publication number
GB1252181A
GB1252181A GB1252181DA GB1252181A GB 1252181 A GB1252181 A GB 1252181A GB 1252181D A GB1252181D A GB 1252181DA GB 1252181 A GB1252181 A GB 1252181A
Authority
GB
United Kingdom
Prior art keywords
spirit
body part
vial
mirror
right angles
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)
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
Publication of GB1252181A publication Critical patent/GB1252181A/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
    • 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
    • G01C9/34—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 tubular type, i.e. for indicating the level in one direction only

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Toys (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
GB1252181D 1969-01-28 1969-01-28 Expired GB1252181A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB471169 1969-01-28

Publications (1)

Publication Number Publication Date
GB1252181A true GB1252181A (enExample) 1971-11-03

Family

ID=9782356

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1252181D Expired GB1252181A (enExample) 1969-01-28 1969-01-28

Country Status (1)

Country Link
GB (1) GB1252181A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1857777B1 (en) * 2006-05-18 2016-08-10 Stanley Black & Decker, Inc. Level, level vial and manufacturing method therefor
GB2590371A (en) * 2019-12-10 2021-06-30 Vitec Group Plc Spirit level for camera tripods

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1857777B1 (en) * 2006-05-18 2016-08-10 Stanley Black & Decker, Inc. Level, level vial and manufacturing method therefor
GB2590371A (en) * 2019-12-10 2021-06-30 Vitec Group Plc Spirit level for camera tripods

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees