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GB641118A - Improvements relating to spirit levels - Google Patents

Improvements relating to spirit levels

Info

Publication number
GB641118A
GB641118A GB350848A GB350848A GB641118A GB 641118 A GB641118 A GB 641118A GB 350848 A GB350848 A GB 350848A GB 350848 A GB350848 A GB 350848A GB 641118 A GB641118 A GB 641118A
Authority
GB
United Kingdom
Prior art keywords
improvements relating
spirit levels
levels
spirit
relating
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
GB350848A
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
Priority to GB350848A priority Critical patent/GB641118A/en
Publication of GB641118A publication Critical patent/GB641118A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
GB350848A 1948-02-06 1948-02-06 Improvements relating to spirit levels Expired GB641118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB350848A GB641118A (en) 1948-02-06 1948-02-06 Improvements relating to spirit levels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB350848A GB641118A (en) 1948-02-06 1948-02-06 Improvements relating to spirit levels

Publications (1)

Publication Number Publication Date
GB641118A true GB641118A (en) 1950-08-02

Family

ID=9759664

Family Applications (1)

Application Number Title Priority Date Filing Date
GB350848A Expired GB641118A (en) 1948-02-06 1948-02-06 Improvements relating to spirit levels

Country Status (1)

Country Link
GB (1) GB641118A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177203A (en) * 1985-06-05 1987-01-14 David Edmund Gravelle Orientation-indicating instrument
GB2317233A (en) * 1996-05-14 1998-03-18 Brian Loughborough Spirit level having a hinge or link
WO2003106926A1 (en) * 2002-06-12 2003-12-24 Robert Lowe Foldable spirit level

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177203A (en) * 1985-06-05 1987-01-14 David Edmund Gravelle Orientation-indicating instrument
GB2317233A (en) * 1996-05-14 1998-03-18 Brian Loughborough Spirit level having a hinge or link
GB2317233B (en) * 1996-05-14 2000-12-20 Brian Loughborough Swivel level
WO2003106926A1 (en) * 2002-06-12 2003-12-24 Robert Lowe Foldable spirit level
GB2389655B (en) * 2002-06-12 2006-03-01 Robert Lowe Spirit level

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