GB345456A - Improvements in spirit levels - Google Patents

Improvements in spirit levels

Info

Publication number
GB345456A
GB345456A GB662330A GB662330A GB345456A GB 345456 A GB345456 A GB 345456A GB 662330 A GB662330 A GB 662330A GB 662330 A GB662330 A GB 662330A GB 345456 A GB345456 A GB 345456A
Authority
GB
United Kingdom
Prior art keywords
spirit levels
spirit
levels
smallwood
leopold
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
GB662330A
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 GB662330A priority Critical patent/GB345456A/en
Publication of GB345456A publication Critical patent/GB345456A/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
    • G01C9/34—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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Steroid Compounds (AREA)

Abstract

345,456. Spirit levels. SMALLWOOD, F., (trading as SMALL WOOD, I. & D.), 96, Leopold Street, Birmingham. Feb. 28, 1930, No. 6623. Drawings to Specification. [Class 97 (ii).] A spirit level comprises a number of bubble tubes arranged end to end and adapted to come into operation consecutively to give a continuous indication of inclination.
GB662330A 1930-02-28 1930-02-28 Improvements in spirit levels Expired GB345456A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB662330A GB345456A (en) 1930-02-28 1930-02-28 Improvements in spirit levels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB662330A GB345456A (en) 1930-02-28 1930-02-28 Improvements in spirit levels

Publications (1)

Publication Number Publication Date
GB345456A true GB345456A (en) 1931-03-26

Family

ID=9817830

Family Applications (1)

Application Number Title Priority Date Filing Date
GB662330A Expired GB345456A (en) 1930-02-28 1930-02-28 Improvements in spirit levels

Country Status (1)

Country Link
GB (1) GB345456A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948067A (en) * 1956-05-10 1960-08-09 Charles J Mistretta Level
DE3719414A1 (en) * 1987-06-11 1989-01-19 Hans Dipl Ing Knausenberger Self-indicating rigid variator
FR2717894A1 (en) * 1994-03-24 1995-09-29 Buonamassa Antonio Slope incline indicator for bicycles.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948067A (en) * 1956-05-10 1960-08-09 Charles J Mistretta Level
DE3719414A1 (en) * 1987-06-11 1989-01-19 Hans Dipl Ing Knausenberger Self-indicating rigid variator
FR2717894A1 (en) * 1994-03-24 1995-09-29 Buonamassa Antonio Slope incline indicator for bicycles.

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